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case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have hm : m < n + 4 := by simp only [div2_val] exact lt_of_le_of_lt (le_trans (Nat.div_le_self _ _) (Nat.div_le_self _ _)) (Nat.succ_le_succ (Nat.le_add_right _ _))
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2 co : α → Code → Code → σ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp only [div2_val]
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2 co : α → Code → Code → σ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
exact lt_of_le_of_lt (le_trans (Nat.div_le_self _ _) (Nat.div_le_self _ _)) (Nat.succ_le_succ (Nat.le_add_right _ _))
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have m1 : m.unpair.1 < n + 4 := lt_of_le_of_lt m.unpair_left_le hm
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have m2 : m.unpair.2 < n + 4 := lt_of_le_of_lt m.unpair_right_le hm
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp [List.get?_map, List.get?_range, hm, m1, m2]
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rw [show ofNat Code (n + 4) = ofNatCode (n + 4) from rfl]
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp [ofNatCode]
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2.2.2.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases n.bodd
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.false α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases n.div2.bodd
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.true α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1 a.2....
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases n.div2.bodd
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.false.false α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.false.true α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2....
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.true.false α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2....
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.true.true α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Primrec c z : α → σ hz : Primrec z s : α → σ hs : Primrec s l : α → σ hl : Primrec l r : α → σ hr : Primrec r pr : α → Code → Code → σ → σ → σ hpr : Primrec fun a => pr a.1 a.2.1 a.2.2.1 a.2.2.2.1...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib.Computability.PartrecCode.385_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is primitive recursive. -/ theorem rec_prim {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Primrec c) {z : α → σ} (hz : Primrec z) {s : α → σ} (hs : Primrec s) {l : α → σ} (hl : Primrec l) {r : α → σ} (hr : Primrec r) {pr : α → Code → Code → σ → σ → σ} (hpr : ...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
intros _ _ _ _ F
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
let G₁ : (α × List σ) × ℕ × ℕ → Option σ := fun p => let a := p.1.1 let IH := p.1.2 let n := p.2.1 let m := p.2.2 (IH.get? m).bind fun s => (IH.get? m.unpair.1).bind fun s₁ => (IH.get? m.unpair.2).map fun s₂ => cond n.bodd (cond n.div2.bodd (rf a (ofNat Code m, s)...
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have : Computable G₁ := by refine' option_bind (list_get?.comp (snd.comp fst) (snd.comp snd)) _ unfold Computable₂ refine' option_bind ((list_get?.comp (snd.comp fst) (fst.comp <| Computable.unpair.comp (snd.comp snd))).comp fst) _ unfold Computable₂ refine' option_map ...
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
refine' option_bind (list_get?.comp (snd.comp fst) (snd.comp snd)) _
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
unfold Computable₂
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
refine' option_bind ((list_get?.comp (snd.comp fst) (fst.comp <| Computable.unpair.comp (snd.comp snd))).comp fst) _
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
unfold Computable₂
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
refine' option_map ((list_get?.comp (snd.comp fst) (snd.comp <| Computable.unpair.comp (snd.comp snd))).comp <| fst.comp fst) _
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have a : Computable (fun p : ((((α × List σ) × ℕ × ℕ) × σ) × σ) × σ => p.1.1.1.1.1) := fst.comp (fst.comp <| fst.comp <| fst.comp fst)
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have n : Computable (fun p : ((((α × List σ) × ℕ × ℕ) × σ) × σ) × σ => p.1.1.1.2.1) := fst.comp (snd.comp <| fst.comp <| fst.comp fst)
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have m : Computable (fun p : ((((α × List σ) × ℕ × ℕ) × σ) × σ) × σ => p.1.1.1.2.2) := snd.comp (snd.comp <| fst.comp <| fst.comp fst)
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have m₁ := fst.comp (Computable.unpair.comp m)
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have m₂ := snd.comp (Computable.unpair.comp m)
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have s : Computable (fun p : ((((α × List σ) × ℕ × ℕ) × σ) × σ) × σ => p.1.1.2) := snd.comp (fst.comp fst)
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s✝ : α → σ hs : Computable s✝ l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have s₁ : Computable (fun p : ((((α × List σ) × ℕ × ℕ) × σ) × σ) × σ => p.1.2) := snd.comp fst
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s✝ : α → σ hs : Computable s✝ l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have s₂ : Computable (fun p : ((((α × List σ) × ℕ × ℕ) × σ) × σ) × σ => p.2) := snd
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s✝ : α → σ hs : Computable s✝ l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
exact (nat_bodd.comp n).cond ((nat_bodd.comp <| nat_div2.comp n).cond (hrf.comp a (((Computable.ofNat Code).comp m).pair s)) (hpc.comp a (((Computable.ofNat Code).comp m₁).pair <| ((Computable.ofNat Code).comp m₂).pair <| s₁.pair s₂))) (Computable.cond...
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
let G : α → List σ → Option σ := fun a IH => IH.length.casesOn (some (z a)) fun n => n.casesOn (some (s a)) fun n => n.casesOn (some (l a)) fun n => n.casesOn (some (r a)) fun n => G₁ ((a, IH), n, n.div2.div2)
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have : Computable₂ G := Computable.nat_casesOn (list_length.comp snd) (option_some_iff.2 (hz.comp fst)) <| Computable.nat_casesOn snd (option_some_iff.2 (hs.comp (fst.comp fst))) <| Computable.nat_casesOn snd (option_some_iff.2 (hl.comp (fst.comp <| fst.comp fst))) <| Computable.nat_casesOn ...
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
refine' ((nat_strong_rec (fun a n => F a (ofNat Code n)) this.to₂ fun a n => _).comp Computable.id <| encode_iff.2 hc).of_eq fun a => by simp
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp (config := { zeta := false })
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
iterate 4 cases' n with n; · simp (config := { zeta := false }) [ofNatCode_eq, ofNatCode]; rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases' n with n
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case zero α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Com...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp (config := { zeta := false }) [ofNatCode_eq, ofNatCode]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case zero α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Com...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Com...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases' n with n
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.zero α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp (config := { zeta := false }) [ofNatCode_eq, ofNatCode]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.zero α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases' n with n
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.zero α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp (config := { zeta := false }) [ofNatCode_eq, ofNatCode]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.zero α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases' n with n
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.zero α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp (config := { zeta := false }) [ofNatCode_eq, ofNatCode]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.zero α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp only []
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rw [List.length_map, List.length_range]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
let m := n.div2.div2
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
show G₁ ((a, (List.range (n + 4)).map fun n => F a (ofNat Code n)), n, m) = some (F a (ofNat Code (n + 4)))
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have hm : m < n + 4 := by simp only [div2_val] exact lt_of_le_of_lt (le_trans (Nat.div_le_self _ _) (Nat.div_le_self _ _)) (Nat.succ_le_succ (Nat.le_add_right _ _))
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp only [div2_val]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × σ → σ hco : Computable₂ c...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
exact lt_of_le_of_lt (le_trans (Nat.div_le_self _ _) (Nat.div_le_self _ _)) (Nat.succ_le_succ (Nat.le_add_right _ _))
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have m1 : m.unpair.1 < n + 4 := lt_of_le_of_lt m.unpair_left_le hm
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
have m2 : m.unpair.2 < n + 4 := lt_of_le_of_lt m.unpair_right_le hm
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp [List.get?_map, List.get?_range, hm, m1, m2]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rw [show ofNat Code (n + 4) = ofNatCode (n + 4) from rfl]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp [ofNatCode]
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code × σ × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases n.bodd
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.false α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases n.div2.bodd
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.true α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × Code ×...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
cases n.div2.bodd
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.false.false α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code ×...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.false.true α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.true.false α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
case succ.succ.succ.succ.true.true α : Type u_1 σ : Type u_2 inst✝¹ : Primcodable α inst✝ : Primcodable σ c : α → Code hc : Computable c z : α → σ hz : Computable z s : α → σ hs : Computable s l : α → σ hl : Computable l r : α → σ hr : Computable r pr : α → Code × Code × σ × σ → σ hpr : Computable₂ pr co : α → Code × C...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rfl
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib.Computability.PartrecCode.498_0.A3c3Aev6SyIRjCJ
/-- Recursion on `Nat.Partrec.Code` is computable. -/ theorem rec_computable {α σ} [Primcodable α] [Primcodable σ] {c : α → Code} (hc : Computable c) {z : α → σ} (hz : Computable z) {s : α → σ} (hs : Computable s) {l : α → σ} (hl : Computable l) {r : α → σ} (hr : Computable r) {pr : α → Code × Code × σ × σ → σ}...
Mathlib_Computability_PartrecCode
cf cg : Code a : ℕ ⊢ eval (prec cf cg) (Nat.pair a 0) = eval cf a
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rw [eval, Nat.unpaired, Nat.unpair_pair]
/-- Helper lemma for the evaluation of `prec` in the base case. -/ @[simp] theorem eval_prec_zero (cf cg : Code) (a : ℕ) : eval (prec cf cg) (Nat.pair a 0) = eval cf a := by
Mathlib.Computability.PartrecCode.637_0.A3c3Aev6SyIRjCJ
/-- Helper lemma for the evaluation of `prec` in the base case. -/ @[simp] theorem eval_prec_zero (cf cg : Code) (a : ℕ) : eval (prec cf cg) (Nat.pair a 0) = eval cf a
Mathlib_Computability_PartrecCode
cf cg : Code a : ℕ ⊢ Nat.rec (eval cf (a, 0).1) (fun y IH => do let i ← IH eval cg (Nat.pair (a, 0).1 (Nat.pair y i))) (a, 0).2 = eval cf a
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp (config := { Lean.Meta.Simp.neutralConfig with proj := true }) only []
/-- Helper lemma for the evaluation of `prec` in the base case. -/ @[simp] theorem eval_prec_zero (cf cg : Code) (a : ℕ) : eval (prec cf cg) (Nat.pair a 0) = eval cf a := by rw [eval, Nat.unpaired, Nat.unpair_pair]
Mathlib.Computability.PartrecCode.637_0.A3c3Aev6SyIRjCJ
/-- Helper lemma for the evaluation of `prec` in the base case. -/ @[simp] theorem eval_prec_zero (cf cg : Code) (a : ℕ) : eval (prec cf cg) (Nat.pair a 0) = eval cf a
Mathlib_Computability_PartrecCode
cf cg : Code a : ℕ ⊢ Nat.rec (eval cf a) (fun y IH => do let i ← IH eval cg (Nat.pair a (Nat.pair y i))) 0 = eval cf a
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rw [Nat.rec_zero]
/-- Helper lemma for the evaluation of `prec` in the base case. -/ @[simp] theorem eval_prec_zero (cf cg : Code) (a : ℕ) : eval (prec cf cg) (Nat.pair a 0) = eval cf a := by rw [eval, Nat.unpaired, Nat.unpair_pair] simp (config := { Lean.Meta.Simp.neutralConfig with proj := true }) only []
Mathlib.Computability.PartrecCode.637_0.A3c3Aev6SyIRjCJ
/-- Helper lemma for the evaluation of `prec` in the base case. -/ @[simp] theorem eval_prec_zero (cf cg : Code) (a : ℕ) : eval (prec cf cg) (Nat.pair a 0) = eval cf a
Mathlib_Computability_PartrecCode
cf cg : Code a k : ℕ ⊢ eval (prec cf cg) (Nat.pair a (Nat.succ k)) = do let ih ← eval (prec cf cg) (Nat.pair a k) eval cg (Nat.pair a (Nat.pair k ih))
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
rw [eval, Nat.unpaired, Part.bind_eq_bind, Nat.unpair_pair]
/-- Helper lemma for the evaluation of `prec` in the recursive case. -/ theorem eval_prec_succ (cf cg : Code) (a k : ℕ) : eval (prec cf cg) (Nat.pair a (Nat.succ k)) = do {let ih ← eval (prec cf cg) (Nat.pair a k); eval cg (Nat.pair a (Nat.pair k ih))} := by
Mathlib.Computability.PartrecCode.645_0.A3c3Aev6SyIRjCJ
/-- Helper lemma for the evaluation of `prec` in the recursive case. -/ theorem eval_prec_succ (cf cg : Code) (a k : ℕ) : eval (prec cf cg) (Nat.pair a (Nat.succ k)) = do {let ih ← eval (prec cf cg) (Nat.pair a k); eval cg (Nat.pair a (Nat.pair k ih))}
Mathlib_Computability_PartrecCode
cf cg : Code a k : ℕ ⊢ Nat.rec (eval cf (a, Nat.succ k).1) (fun y IH => do let i ← IH eval cg (Nat.pair (a, Nat.succ k).1 (Nat.pair y i))) (a, Nat.succ k).2 = Part.bind (unpaired (fun a n => Nat.rec (eval cf a) (fun y IH => do let i ← IH ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp
/-- Helper lemma for the evaluation of `prec` in the recursive case. -/ theorem eval_prec_succ (cf cg : Code) (a k : ℕ) : eval (prec cf cg) (Nat.pair a (Nat.succ k)) = do {let ih ← eval (prec cf cg) (Nat.pair a k); eval cg (Nat.pair a (Nat.pair k ih))} := by rw [eval, Nat.unpaired, Part.bind_eq_bind, Nat.un...
Mathlib.Computability.PartrecCode.645_0.A3c3Aev6SyIRjCJ
/-- Helper lemma for the evaluation of `prec` in the recursive case. -/ theorem eval_prec_succ (cf cg : Code) (a k : ℕ) : eval (prec cf cg) (Nat.pair a (Nat.succ k)) = do {let ih ← eval (prec cf cg) (Nat.pair a k); eval cg (Nat.pair a (Nat.pair k ih))}
Mathlib_Computability_PartrecCode
n m : ℕ ⊢ eval (Code.const (n + 1)) m = Part.some (n + 1)
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp! [eval_const n m]
@[simp] theorem eval_const : ∀ n m, eval (Code.const n) m = Part.some n | 0, m => rfl | n + 1, m => by
Mathlib.Computability.PartrecCode.656_0.A3c3Aev6SyIRjCJ
@[simp] theorem eval_const : ∀ n m, eval (Code.const n) m = Part.some n | 0, m => rfl | n + 1, m => by simp! [eval_const n m]
Mathlib_Computability_PartrecCode
n : ℕ ⊢ eval Code.id n = Part.some n
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp! [Seq.seq]
@[simp] theorem eval_id (n) : eval Code.id n = Part.some n := by
Mathlib.Computability.PartrecCode.662_0.A3c3Aev6SyIRjCJ
@[simp] theorem eval_id (n) : eval Code.id n = Part.some n
Mathlib_Computability_PartrecCode
c : Code n x : ℕ ⊢ eval (curry c n) x = eval c (Nat.pair n x)
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp! [Seq.seq]
@[simp] theorem eval_curry (c n x) : eval (curry c n) x = eval c (Nat.pair n x) := by
Mathlib.Computability.PartrecCode.666_0.A3c3Aev6SyIRjCJ
@[simp] theorem eval_curry (c n x) : eval (curry c n) x = eval c (Nat.pair n x)
Mathlib_Computability_PartrecCode
n : ℕ ⊢ (fun b => comp succ (n, b).2)^[id n] zero = Code.const n
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp
theorem const_prim : Primrec Code.const := (_root_.Primrec.id.nat_iterate (_root_.Primrec.const zero) (comp_prim.comp (_root_.Primrec.const succ) Primrec.snd).to₂).of_eq fun n => by
Mathlib.Computability.PartrecCode.670_0.A3c3Aev6SyIRjCJ
theorem const_prim : Primrec Code.const
Mathlib_Computability_PartrecCode
n : ℕ ⊢ (fun b => comp succ b)^[n] zero = Code.const n
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
induction n
theorem const_prim : Primrec Code.const := (_root_.Primrec.id.nat_iterate (_root_.Primrec.const zero) (comp_prim.comp (_root_.Primrec.const succ) Primrec.snd).to₂).of_eq fun n => by simp;
Mathlib.Computability.PartrecCode.670_0.A3c3Aev6SyIRjCJ
theorem const_prim : Primrec Code.const
Mathlib_Computability_PartrecCode
case zero ⊢ (fun b => comp succ b)^[Nat.zero] zero = Code.const Nat.zero
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp [*, Code.const, Function.iterate_succ', -Function.iterate_succ]
theorem const_prim : Primrec Code.const := (_root_.Primrec.id.nat_iterate (_root_.Primrec.const zero) (comp_prim.comp (_root_.Primrec.const succ) Primrec.snd).to₂).of_eq fun n => by simp; induction n <;>
Mathlib.Computability.PartrecCode.670_0.A3c3Aev6SyIRjCJ
theorem const_prim : Primrec Code.const
Mathlib_Computability_PartrecCode
case succ n✝ : ℕ n_ih✝ : (fun b => comp succ b)^[n✝] zero = Code.const n✝ ⊢ (fun b => comp succ b)^[Nat.succ n✝] zero = Code.const (Nat.succ n✝)
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
simp [*, Code.const, Function.iterate_succ', -Function.iterate_succ]
theorem const_prim : Primrec Code.const := (_root_.Primrec.id.nat_iterate (_root_.Primrec.const zero) (comp_prim.comp (_root_.Primrec.const succ) Primrec.snd).to₂).of_eq fun n => by simp; induction n <;>
Mathlib.Computability.PartrecCode.670_0.A3c3Aev6SyIRjCJ
theorem const_prim : Primrec Code.const
Mathlib_Computability_PartrecCode
c₁ c₂ : Code n₁ n₂ : ℕ h : curry c₁ n₁ = curry c₂ n₂ ⊢ c₁ = c₂
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
injection h
theorem curry_inj {c₁ c₂ n₁ n₂} (h : curry c₁ n₁ = curry c₂ n₂) : c₁ = c₂ ∧ n₁ = n₂ := ⟨by
Mathlib.Computability.PartrecCode.682_0.A3c3Aev6SyIRjCJ
theorem curry_inj {c₁ c₂ n₁ n₂} (h : curry c₁ n₁ = curry c₂ n₂) : c₁ = c₂ ∧ n₁ = n₂
Mathlib_Computability_PartrecCode
c₁ c₂ : Code n₁ n₂ : ℕ h : curry c₁ n₁ = curry c₂ n₂ ⊢ n₁ = n₂
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
injection h with h₁ h₂
theorem curry_inj {c₁ c₂ n₁ n₂} (h : curry c₁ n₁ = curry c₂ n₂) : c₁ = c₂ ∧ n₁ = n₂ := ⟨by injection h, by
Mathlib.Computability.PartrecCode.682_0.A3c3Aev6SyIRjCJ
theorem curry_inj {c₁ c₂ n₁ n₂} (h : curry c₁ n₁ = curry c₂ n₂) : c₁ = c₂ ∧ n₁ = n₂
Mathlib_Computability_PartrecCode
c₁ c₂ : Code n₁ n₂ : ℕ h₁ : c₁ = c₂ h₂ : pair (Code.const n₁) Code.id = pair (Code.const n₂) Code.id ⊢ n₁ = n₂
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
injection h₂ with h₃ h₄
theorem curry_inj {c₁ c₂ n₁ n₂} (h : curry c₁ n₁ = curry c₂ n₂) : c₁ = c₂ ∧ n₁ = n₂ := ⟨by injection h, by injection h with h₁ h₂
Mathlib.Computability.PartrecCode.682_0.A3c3Aev6SyIRjCJ
theorem curry_inj {c₁ c₂ n₁ n₂} (h : curry c₁ n₁ = curry c₂ n₂) : c₁ = c₂ ∧ n₁ = n₂
Mathlib_Computability_PartrecCode
c₁ c₂ : Code n₁ n₂ : ℕ h₁ : c₁ = c₂ h₃ : Code.const n₁ = Code.const n₂ h₄ : Code.id = Code.id ⊢ n₁ = n₂
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
exact const_inj h₃
theorem curry_inj {c₁ c₂ n₁ n₂} (h : curry c₁ n₁ = curry c₂ n₂) : c₁ = c₂ ∧ n₁ = n₂ := ⟨by injection h, by injection h with h₁ h₂ injection h₂ with h₃ h₄
Mathlib.Computability.PartrecCode.682_0.A3c3Aev6SyIRjCJ
theorem curry_inj {c₁ c₂ n₁ n₂} (h : curry c₁ n₁ = curry c₂ n₂) : c₁ = c₂ ∧ n₁ = n₂
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ h : Partrec f ⊢ ∃ c, eval c = f
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
induction h
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
case zero f : ℕ →. ℕ ⊢ ∃ c, eval c = pure 0 case succ f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑Nat.succ case left f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).1 case right f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).2 case pair f f✝ g✝ : ℕ →. ℕ a✝¹ : Partrec f✝ a✝ : Partrec g✝ a_ih✝¹ : ∃ c, eval c = f✝ a_ih✝ : ∃ c, eval c = ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case zero => exact ⟨zero, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ ⊢ ∃ c, eval c = pure 0
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case zero => exact ⟨zero, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ ⊢ ∃ c, eval c = pure 0
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
exact ⟨zero, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero =>
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
case succ f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑Nat.succ case left f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).1 case right f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).2 case pair f f✝ g✝ : ℕ →. ℕ a✝¹ : Partrec f✝ a✝ : Partrec g✝ a_ih✝¹ : ∃ c, eval c = f✝ a_ih✝ : ∃ c, eval c = g✝ ⊢ ∃ c, eval c = fun n => Seq.seq (Nat.pai...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case succ => exact ⟨succ, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑Nat.succ
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case succ => exact ⟨succ, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑Nat.succ
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
exact ⟨succ, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ =>
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
case left f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).1 case right f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).2 case pair f f✝ g✝ : ℕ →. ℕ a✝¹ : Partrec f✝ a✝ : Partrec g✝ a_ih✝¹ : ∃ c, eval c = f✝ a_ih✝ : ∃ c, eval c = g✝ ⊢ ∃ c, eval c = fun n => Seq.seq (Nat.pair <$> f✝ n) fun x => g✝ n case comp f f✝ g✝ : ℕ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case left => exact ⟨left, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ => exact ⟨succ, rfl⟩
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).1
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case left => exact ⟨left, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ => exact ⟨succ, rfl⟩
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).1
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
exact ⟨left, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ => exact ⟨succ, rfl⟩ case left =>
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
case right f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).2 case pair f f✝ g✝ : ℕ →. ℕ a✝¹ : Partrec f✝ a✝ : Partrec g✝ a_ih✝¹ : ∃ c, eval c = f✝ a_ih✝ : ∃ c, eval c = g✝ ⊢ ∃ c, eval c = fun n => Seq.seq (Nat.pair <$> f✝ n) fun x => g✝ n case comp f f✝ g✝ : ℕ →. ℕ a✝¹ : Partrec f✝ a✝ : Partrec g✝ a_ih✝¹ : ∃ c, eval c ...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case right => exact ⟨right, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ => exact ⟨succ, rfl⟩ case left => exact ⟨left, rfl⟩
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).2
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case right => exact ⟨right, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ => exact ⟨succ, rfl⟩ case left => exact ⟨left, rfl⟩
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f : ℕ →. ℕ ⊢ ∃ c, eval c = ↑fun n => (unpair n).2
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
exact ⟨right, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ => exact ⟨succ, rfl⟩ case left => exact ⟨left, rfl⟩ case right =>
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
case pair f f✝ g✝ : ℕ →. ℕ a✝¹ : Partrec f✝ a✝ : Partrec g✝ a_ih✝¹ : ∃ c, eval c = f✝ a_ih✝ : ∃ c, eval c = g✝ ⊢ ∃ c, eval c = fun n => Seq.seq (Nat.pair <$> f✝ n) fun x => g✝ n case comp f f✝ g✝ : ℕ →. ℕ a✝¹ : Partrec f✝ a✝ : Partrec g✝ a_ih✝¹ : ∃ c, eval c = f✝ a_ih✝ : ∃ c, eval c = g✝ ⊢ ∃ c, eval c = fun n => g✝ n >...
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case pair f g pf pg hf hg => rcases hf with ⟨cf, rfl⟩; rcases hg with ⟨cg, rfl⟩ exact ⟨pair cf cg, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ => exact ⟨succ, rfl⟩ case left => exact ⟨left, rfl⟩ case right => ex...
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode
f✝ f g : ℕ →. ℕ pf : Partrec f pg : Partrec g hf : ∃ c, eval c = f hg : ∃ c, eval c = g ⊢ ∃ c, eval c = fun n => Seq.seq (Nat.pair <$> f n) fun x => g n
/- Copyright (c) 2018 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Computability.Partrec #align_import computability.partrec_code from "leanprover-community/mathlib"@"6155d4351090a6fad236e3d2e4e0e4e7342668e8" /-! # G...
case pair f g pf pg hf hg => rcases hf with ⟨cf, rfl⟩; rcases hg with ⟨cg, rfl⟩ exact ⟨pair cf cg, rfl⟩
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f := ⟨fun h => by induction h case zero => exact ⟨zero, rfl⟩ case succ => exact ⟨succ, rfl⟩ case left => exact ⟨left, rfl⟩ case right => ex...
Mathlib.Computability.PartrecCode.698_0.A3c3Aev6SyIRjCJ
/-- A function is partial recursive if and only if there is a code implementing it. -/ theorem exists_code {f : ℕ →. ℕ} : Nat.Partrec f ↔ ∃ c : Code, eval c = f
Mathlib_Computability_PartrecCode