fact stringlengths 8 1.54k | type stringclasses 19 values | library stringclasses 8 values | imports listlengths 1 10 | filename stringclasses 98 values | symbolic_name stringlengths 1 42 | docstring stringclasses 1 value |
|---|---|---|---|---|---|---|
leq_maxrm n : n <= maxn m n. Proof. by rewrite maxnC leq_maxl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | leq_maxr | |
gtn_maxm n1 n2 : (m > maxn n1 n2) = (m > n1) && (m > n2).
Proof. by rewrite !ltnNge leq_max negb_or. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | gtn_max | |
geq_maxm n1 n2 : (m >= maxn n1 n2) = (m >= n1) && (m >= n2).
Proof. by rewrite -ltnS gtn_max. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | geq_max | |
maxnSSm n : maxn m.+1 n.+1 = (maxn m n).+1.
Proof. by rewrite !maxnE. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | maxnSS | |
addn_maxl: left_distributive addn maxn.
Proof. by move=> m1 m2 n; rewrite !maxnE subnDr addnAC. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | addn_maxl | |
addn_maxr: right_distributive addn maxn.
Proof. by move=> m n1 n2; rewrite !(addnC m) addn_maxl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | addn_maxr | |
subn_maxl: left_distributive subn maxn.
Proof.
move=> m n p; apply/eqP.
rewrite eqn_leq !geq_max !leq_sub2r leq_max ?leqnn ?andbT ?orbT // /maxn.
by case: (_ < _); rewrite leqnn // orbT.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | subn_maxl | |
min0n: left_zero 0 minn. Proof. by case. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | min0n | |
minn0: right_zero 0 minn. Proof. by []. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minn0 | |
minnC: commutative minn.
Proof. by rewrite /minn; elim=> [|m ih] [] // n; rewrite !ltnS -!fun_if ih. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnC | |
addn_min_maxm n : minn m n + maxn m n = m + n.
Proof. by rewrite /minn /maxn; case: (m < n) => //; exact: addnC. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | addn_min_max | |
minnEm n : minn m n = m - (m - n).
Proof. by rewrite -(subnDl n) -maxnE -addn_min_max addnK minnC. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnE | |
minnAC: right_commutative minn.
Proof.
by move=> m n p; rewrite !minnE -subnDA subnAC -maxnE maxnC maxnE subnAC subnDA.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnAC | |
minnA: associative minn.
Proof. by move=> m n p; rewrite minnC minnAC (minnC n). Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnA | |
minnCA: left_commutative minn.
Proof. by move=> m n p; rewrite !minnA (minnC n). Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnCA | |
minnACA: interchange minn minn.
Proof. by move=> m n p q; rewrite -!minnA (minnCA n). Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnACA | |
minn_idPl{m n} : reflect (minn m n = m) (m <= n).
Proof.
rewrite (sameP maxn_idPr eqP) -(eqn_add2l m) eq_sym -addn_min_max eqn_add2r.
exact: eqP.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minn_idPl | |
minn_idPr{m n} : reflect (minn m n = n) (m >= n).
Proof. by rewrite minnC; apply: minn_idPl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minn_idPr | |
minnn: idempotent_op minn.
Proof. by move=> n; apply/minn_idPl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnn | |
leq_minm n1 n2 : (m <= minn n1 n2) = (m <= n1) && (m <= n2).
Proof.
wlog le_n21: n1 n2 / n2 <= n1.
by case/orP: (leq_total n2 n1) => ?; last rewrite minnC andbC; apply.
rewrite /minn ltnNge le_n21 /=; case le_m_n1: (m <= n1) => //=.
apply/contraFF: le_m_n1 => /leq_trans; exact.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | leq_min | |
gtn_minm n1 n2 : (m > minn n1 n2) = (m > n1) || (m > n2).
Proof. by rewrite !ltnNge leq_min negb_and. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | gtn_min | |
geq_minm n1 n2 : (m >= minn n1 n2) = (m >= n1) || (m >= n2).
Proof. by rewrite -ltnS gtn_min. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | geq_min | |
ltn_minm n1 n2 : (m < minn n1 n2) = (m < n1) && (m < n2).
Proof. exact: leq_min. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ltn_min | |
geq_minlm n : minn m n <= m. Proof. by rewrite geq_min leqnn. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | geq_minl | |
geq_minrm n : minn m n <= n. Proof. by rewrite minnC geq_minl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | geq_minr | |
addn_minr: right_distributive addn minn.
Proof. by move=> m1 m2 n; rewrite !minnE subnDl addnBA ?leq_subr. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | addn_minr | |
addn_minl: left_distributive addn minn.
Proof. by move=> m1 m2 n; rewrite -!(addnC n) addn_minr. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | addn_minl | |
subn_minl: left_distributive subn minn.
Proof.
move=> m n p; apply/eqP.
rewrite eqn_leq !leq_min !leq_sub2r geq_min ?leqnn ?orbT //= /minn.
by case: (_ < _); rewrite leqnn // orbT.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | subn_minl | |
minnSSm n : minn m.+1 n.+1 = (minn m n).+1.
Proof. by rewrite -(addn_minr 1). Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnSS | |
maxnKm n : minn (maxn m n) m = m.
Proof. exact/minn_idPr/leq_maxl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | maxnK | |
maxKnm n : minn n (maxn m n) = n.
Proof. exact/minn_idPl/leq_maxr. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | maxKn | |
minnKm n : maxn (minn m n) m = m.
Proof. exact/maxn_idPr/geq_minl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minnK | |
minKnm n : maxn n (minn m n) = n.
Proof. exact/maxn_idPl/geq_minr. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minKn | |
maxn_minl: left_distributive maxn minn.
Proof.
move=> m1 m2 n; wlog le_m21: m1 m2 / m2 <= m1.
move=> IH; case/orP: (leq_total m2 m1) => /IH //.
by rewrite minnC [in R in _ = R]minnC.
rewrite (minn_idPr le_m21); apply/esym/minn_idPr.
by rewrite geq_max leq_maxr leq_max le_m21.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | maxn_minl | |
maxn_minr: right_distributive maxn minn.
Proof. by move=> m n1 n2; rewrite !(maxnC m) maxn_minl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | maxn_minr | |
minn_maxl: left_distributive minn maxn.
Proof.
by move=> m1 m2 n; rewrite maxn_minr !maxn_minl -minnA maxnn (maxnC _ n) !maxnK.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minn_maxl | |
minn_maxr: right_distributive minn maxn.
Proof. by move=> m n1 n2; rewrite !(minnC m) minn_maxl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | minn_maxr | |
leq_xor_gtnm n : nat -> nat -> nat -> nat -> bool -> bool -> Set :=
| LeqNotGtn of m <= n : leq_xor_gtn m n m m n n true false
| GtnNotLeq of n < m : leq_xor_gtn m n n n m m false true. | Variant | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | leq_xor_gtn | |
leqPm n : leq_xor_gtn m n (minn n m) (minn m n) (maxn n m) (maxn m n)
(m <= n) (n < m).
Proof.
rewrite (minnC m) /minn (maxnC m) /maxn ltnNge.
by case le_mn: (m <= n); constructor; rewrite //= ltnNge le_mn.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | leqP | |
ltn_xor_geqm n : nat -> nat -> nat -> nat -> bool -> bool -> Set :=
| LtnNotGeq of m < n : ltn_xor_geq m n m m n n false true
| GeqNotLtn of n <= m : ltn_xor_geq m n n n m m true false. | Variant | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ltn_xor_geq | |
ltnPm n : ltn_xor_geq m n (minn n m) (minn m n) (maxn n m) (maxn m n)
(n <= m) (m < n).
Proof. by case: leqP; constructor. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ltnP | |
eqn0_xor_gt0n : bool -> bool -> Set :=
| Eq0NotPos of n = 0 : eqn0_xor_gt0 n true false
| PosNotEq0 of n > 0 : eqn0_xor_gt0 n false true. | Variant | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | eqn0_xor_gt0 | |
posnPn : eqn0_xor_gt0 n (n == 0) (0 < n).
Proof. by case: n; constructor. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | posnP | |
compare_natm n : nat -> nat -> nat -> nat ->
bool -> bool -> bool -> bool -> bool -> bool -> Set :=
| CompareNatLt of m < n :
compare_nat m n m m n n false false false true false true
| CompareNatGt of m > n :
compare_nat m n n n m m false false true false true false
| CompareNatEq of m = n :
compare_nat m n m m m m true true true true false false. | Variant | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | compare_nat | |
ltngtPm n :
compare_nat m n (minn n m) (minn m n) (maxn n m) (maxn m n)
(n == m) (m == n) (n <= m) (m <= n) (n < m) (m < n).
Proof.
rewrite !ltn_neqAle [_ == n]eq_sym; have [mn|] := ltnP m n.
by rewrite ltnW // gtn_eqF //; constructor.
rewrite leq_eqVlt; case: ltnP; rewrite ?(orbT, orbF) => //= lt_nm eq_nm.
by rewrite ltn_eqF //; constructor.
by rewrite eq_nm (eqP eq_nm); constructor.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ltngtP | |
subn_if_gtT m n F (E : T) :
(if m.+1 - n is m'.+1 then F m' else E) = (if n <= m then F (m - n) else E).
Proof.
by have [le_nm|/eqnP-> //] := leqP; rewrite -{1}(subnK le_nm) -addSn addnK.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | subn_if_gt | |
leqLHS:= (X in (X <= _)%N)%pattern. | Notation | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | leqLHS | |
leqRHS:= (X in (_ <= X)%N)%pattern. | Notation | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | leqRHS | |
ltnLHS:= (X in (X < _)%N)%pattern. | Notation | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ltnLHS | |
ltnRHS:= (X in (_ < X)%N)%pattern. | Notation | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ltnRHS | |
acc_nati : Prop := AccNat0 of P i | AccNatS of acc_nat i.+1. | Inductive | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | acc_nat | |
find_ex_minn: {m | P m & forall n, P n -> n >= m}.
Proof.
have: forall n, P n -> n >= 0 by [].
have: acc_nat 0.
case exP => n; rewrite -(addn0 n); elim: n 0 => [|n IHn] j; first by left.
by rewrite addSnnS; right; apply: IHn.
move: 0; fix find_ex_minn 2 => m IHm m_lb; case Pm: (P m); first by exists m.
apply: find_ex_minn m.+1 _ _ => [|n Pn]; first by case: IHm; rewrite ?Pm.
by rewrite ltn_neqAle m_lb //; case: eqP Pm => // -> /idP[].
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | find_ex_minn | |
ex_minn:= s2val find_ex_minn. | Definition | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ex_minn | |
ex_minn_spec: nat -> Type :=
ExMinnSpec m of P m & (forall n, P n -> n >= m) : ex_minn_spec m. | Inductive | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ex_minn_spec | |
ex_minnP: ex_minn_spec ex_minn.
Proof. by rewrite /ex_minn; case: find_ex_minn. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ex_minnP | |
ex_maxn_subproof: exists i, P (m - i).
Proof. by case: exP => i Pi; exists (m - i); rewrite subKn ?ubP. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ex_maxn_subproof | |
ex_maxn:= m - ex_minn ex_maxn_subproof. | Definition | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ex_maxn | |
ex_maxn_spec: nat -> Type :=
ExMaxnSpec i of P i & (forall j, P j -> j <= i) : ex_maxn_spec i. | Variant | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ex_maxn_spec | |
ex_maxnP: ex_maxn_spec ex_maxn.
Proof.
rewrite /ex_maxn; case: ex_minnP => i Pmi min_i; split=> // j Pj.
have le_i_mj: i <= m - j by rewrite min_i // subKn // ubP.
rewrite -subn_eq0 subnBA ?(leq_trans le_i_mj) ?leq_subr //.
by rewrite addnC -subnBA ?ubP.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | ex_maxnP | |
eq_ex_minnP Q exP exQ : P =1 Q -> @ex_minn P exP = @ex_minn Q exQ.
Proof.
move=> eqPQ; case: ex_minnP => m1 Pm1 m1_lb; case: ex_minnP => m2 Pm2 m2_lb.
by apply/eqP; rewrite eqn_leq m1_lb (m2_lb, eqPQ) // -eqPQ.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | eq_ex_minn | |
eq_ex_maxn(P Q : pred nat) m n exP ubP exQ ubQ :
P =1 Q -> @ex_maxn P m exP ubP = @ex_maxn Q n exQ ubQ.
Proof.
move=> eqPQ; case: ex_maxnP => i Pi max_i; case: ex_maxnP => j Pj max_j.
by apply/eqP; rewrite eqn_leq max_i ?eqPQ // max_j -?eqPQ.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | eq_ex_maxn | |
itern f x :=
let fix loop m := if m is i.+1 then f (loop i) else x in loop n. | Definition | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iter | |
iterin f x :=
let fix loop m := if m is i.+1 then f i (loop i) else x in loop n. | Definition | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iteri | |
iteropn op x :=
let f i y := if i is 0 then x else op x y in iteri n f. | Definition | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iterop | |
iterSrn f x : iter n.+1 f x = iter n f (f x).
Proof. by elim: n => //= n <-. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iterSr | |
iterSn f x : iter n.+1 f x = f (iter n f x). Proof. by []. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iterS | |
iterDn m f x : iter (n + m) f x = iter n f (iter m f x).
Proof. by elim: n => //= n ->. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iterD | |
iteriSn f x : iteri n.+1 f x = f n (iteri n f x).
Proof. by []. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iteriS | |
iteropSidx n op x : iterop n.+1 op x idx = iter n (op x) x.
Proof. by elim: n => //= n ->. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iteropS | |
eq_iterf f' : f =1 f' -> forall n, iter n f =1 iter n f'.
Proof. by move=> eq_f n x; elim: n => //= n ->; rewrite eq_f. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | eq_iter | |
iter_fixn f x : f x = x -> iter n f x = x.
Proof. by move=> fixf; elim: n => //= n ->. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iter_fix | |
eq_iterif f' : f =2 f' -> forall n, iteri n f =1 iteri n f'.
Proof. by move=> eq_f n x; elim: n => //= n ->; rewrite eq_f. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | eq_iteri | |
eq_iteropn op op' : op =2 op' -> iterop n op =2 iterop n op'.
Proof. by move=> eq_op x; apply: eq_iteri; case. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | eq_iterop | |
iter_inf S i : {homo f : x / x \in S} -> {homo iter i f : x / x \in S}.
Proof. by move=> f_in x xS; elim: i => [|i /f_in]. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iter_in | |
iter_succnm n : iter n succn m = m + n.
Proof. by rewrite addnC; elim: n => //= n ->. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iter_succn | |
iter_succn_0n : iter n succn 0 = n.
Proof. exact: iter_succn. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iter_succn_0 | |
iter_prednm n : iter n predn m = m - n.
Proof. by elim: n m => /= [|n IHn] m; rewrite ?subn0 // IHn subnS. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iter_predn | |
muln:= mult.
Arguments muln : simpl never.
#[deprecated(since="mathcomp 2.3.0", note="Use muln instead.")] | Definition | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | muln | |
muln_rec:= muln. | Definition | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | muln_rec | |
multE: mult = muln. Proof. by []. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | multE | |
mulnE: muln = mult. Proof. by []. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnE | |
mul0n: left_zero 0 muln. Proof. by []. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mul0n | |
muln0: right_zero 0 muln. Proof. by elim. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | muln0 | |
mul1n: left_id 1 muln. Proof. exact: addn0. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mul1n | |
mulSnm n : m.+1 * n = n + m * n. Proof. by []. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulSn | |
mulSnrm n : m.+1 * n = m * n + n. Proof. exact: addnC. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulSnr | |
mulnSm n : m * n.+1 = m + m * n.
Proof. by elim: m => // m; rewrite !mulSn !addSn addnCA => ->. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnS | |
mulnSrm n : m * n.+1 = m * n + m.
Proof. by rewrite addnC mulnS. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnSr | |
iter_addnm n p : iter n (addn m) p = m * n + p.
Proof. by elim: n => /= [|n ->]; rewrite ?muln0 // mulnS addnA. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iter_addn | |
iter_addn_0m n : iter n (addn m) 0 = m * n.
Proof. by rewrite iter_addn addn0. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | iter_addn_0 | |
muln1: right_id 1 muln.
Proof. by move=> n; rewrite mulnSr muln0. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | muln1 | |
mulnC: commutative muln.
Proof.
by move=> m n; elim: m => [|m]; rewrite (muln0, mulnS) // mulSn => ->.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnC | |
mulnDl: left_distributive muln addn.
Proof. by move=> m1 m2 n; elim: m1 => //= m1 IHm; rewrite -addnA -IHm. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnDl | |
mulnDr: right_distributive muln addn.
Proof. by move=> m n1 n2; rewrite !(mulnC m) mulnDl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnDr | |
mulnBl: left_distributive muln subn.
Proof.
move=> m n [|p]; first by rewrite !muln0.
by elim: m n => // [m IHm] [|n] //; rewrite mulSn subnDl -IHm.
Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnBl | |
mulnBr: right_distributive muln subn.
Proof. by move=> m n p; rewrite !(mulnC m) mulnBl. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnBr | |
mulnA: associative muln.
Proof. by move=> m n p; elim: m => //= m; rewrite mulSn mulnDl => ->. Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnA | |
mulnCA: left_commutative muln.
Proof. by move=> m n1 n2; rewrite !mulnA (mulnC m). Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnCA | |
mulnAC: right_commutative muln.
Proof. by move=> m n p; rewrite -!mulnA (mulnC n). Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnAC | |
mulnACA: interchange muln muln.
Proof. by move=> m n p q; rewrite -!mulnA (mulnCA n). Qed. | Lemma | boot | [
"From Corelib Require Import PosDef",
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrfun ssrbool eqtype"
] | boot/ssrnat.v | mulnACA |
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