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https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
dsimp [IsChain, Pairwise] at hCh ⊢
case H A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_n...
case H A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_n...
Please generate a tactic in lean4 to solve the state. STATE: case H A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
exact fun ⦃x⦄ a ⦃y⦄ a_1 a_2 => Or.comm.mp (hCh a a_1 a_2)
case H A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_n...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case H A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
convert this
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
rw [← iInter_inter, ← sInter_eq_iInter]
case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
rw [←setOf_inter_eq_sep, inter_comm]
case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
congr
case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
intro X
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
simp
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
have h₃ := (h (Subtype.mem X)).2
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
rw [←image_inter_nonempty_iff, h₃]
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
simp
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
have := (h (Subtype.mem X)).1
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
rw [←isCompact_iff_compactSpace] at this
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
have h_cl := IsClosed.inter (IsCompact.isClosed this) (IsClosed.preimage (Continuous.comp continuous_fst continuous_subtype_val) <| T1Space.t1 x)
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
exact And.intro (IsClosed.isCompact h_cl) h_cl
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
exact fun x y => x ⊇ y
case refine'_1 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case refine'_1 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
exact fun ⦃x y⦄ a => inter_subset_inter_left _ a
case refine'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case refine'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
intro X hX
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
Please generate a tactic in lean4 to solve the state. STATE: case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
exact sInter_subset_of_mem hX
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
exact hE₁
case intro.intro.intro.left A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Functi...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.left A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
exact hE₂
case intro.intro.intro.right.left A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.right.left A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Fu...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
intro E₀ h₁ h₂
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : F...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
replace hE₃ := hE₃ E₀
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : F...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
by_contra h₃
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : F...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
replace hE₃ := hE₃ (And.intro h₂ h₃) (subset_of_ssubset h₁)
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : F...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
exists_image_ne_top
[87, 1]
[172, 33]
exact (ne_of_ssubset h₁) hE₃
case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj :...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.right.right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.12569 E✝ : Set D inst✝⁸ : TopologicalSpace A inst✝⁷ : TopologicalSpace B inst✝⁶ : TopologicalSpace C inst✝⁵ : TopologicalSpace D ρ : ↑E✝ → A ρ_cont : Continuous ρ ρ_surj : F...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
constructor
A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π image_ne_top :...
case left A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π imag...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
refine' Continuous.comp _ _
case left A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π imag...
case left.refine'_1 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surject...
Please generate a tactic in lean4 to solve the state. STATE: case left A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
refine' ContinuousOn.restrict _
case left.refine'_1 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surject...
case left.refine'_1 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surject...
Please generate a tactic in lean4 to solve the state. STATE: case left.refine'_1 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjectiv...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
apply Continuous.continuousOn
case left.refine'_1 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surject...
case left.refine'_1.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surje...
Please generate a tactic in lean4 to solve the state. STATE: case left.refine'_1 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjectiv...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
exact Continuous.comp continuous_snd continuous_subtype_val
case left.refine'_1.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surje...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left.refine'_1.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surject...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
exact (Homeomorph.continuous (Homeomorph.symm (ρ' hφ hf hf')))
case left.refine'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surject...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left.refine'_2 A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjectiv...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
suffices : f ∘ (E' hφ hf hf').restrict (π₂ φ f) = φ ∘ (ρ' hφ hf hf').toFun
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
Please generate a tactic in lean4 to solve the state. STATE: case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
ext x
case this A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π imag...
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
Please generate a tactic in lean4 to solve the state. STATE: case this A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
simp only [Function.comp_apply, restrict_apply, Equiv.toFun_as_coe, Homeomorph.coe_toEquiv]
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
Please generate a tactic in lean4 to solve the state. STATE: case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
dsimp [π₂, ρ', compact_to_T2_homeomorph, Continuous.homeoOfEquivCompactToT2_toEquiv, Continuous.homeoOfEquivCompactToT2, π₁]
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
Please generate a tactic in lean4 to solve the state. STATE: case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
have := x.val.prop
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
Please generate a tactic in lean4 to solve the state. STATE: case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
dsimp [D'] at this
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
Please generate a tactic in lean4 to solve the state. STATE: case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
exact this.symm
case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π im...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case this.h A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : ...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
simp only [← Function.comp.assoc]
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
Please generate a tactic in lean4 to solve the state. STATE: case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
rw [this]
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
Please generate a tactic in lean4 to solve the state. STATE: case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/Gleason.lean
gleason_diagram_commutes
[236, 1]
[257, 20]
simp only [Function.comp.assoc, Equiv.toFun_as_coe, Homeomorph.coe_toEquiv, Equiv.invFun_as_coe, Homeomorph.coe_symm_toEquiv, Homeomorph.self_comp_symm, Function.comp.right_id]
case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D → A π_cont : Continuous π π_surj : Function.Surjective π ima...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right A : Type u_1 B : Type u_2 C : Type u_3 D : Type ?u.44712 E : Set D inst✝⁹ : TopologicalSpace A inst✝⁸ : TopologicalSpace B inst✝⁷ : TopologicalSpace C inst✝⁶ : TopologicalSpace D ρ : ↑E → A ρ_cont : Continuous ρ ρ_surj : Function.Surjective ρ π : D...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.openEmbedding_of_sigma_desc_iso
[15, 1]
[25, 13]
intro a
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) ⊢ ∀ (a : α), OpenEmbedding ↑(i a)
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α ⊢ OpenEmbedding ↑(i a)
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) ⊢ ∀ (a : α), OpenEmbedding ↑(i a) TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.openEmbedding_of_sigma_desc_iso
[15, 1]
[25, 13]
have h₁ : OpenEmbedding (Sigma.desc i) := (ExtrDisc.homeoOfIso (asIso (Sigma.desc i))).openEmbedding
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α ⊢ OpenEmbedding ↑(i a)
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) ⊢ OpenEmbedding ↑(i a)
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α ⊢ OpenEmbedding ↑(i a) TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.openEmbedding_of_sigma_desc_iso
[15, 1]
[25, 13]
have h₂ : OpenEmbedding (Sigma.ι Z a) := openEmbedding_ι _ _
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) ⊢ OpenEmbedding ↑(i a)
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) ⊢ OpenEmbedding ↑(i a)
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) ⊢ OpenEmbedding ↑(i a) TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.openEmbedding_of_sigma_desc_iso
[15, 1]
[25, 13]
have := OpenEmbedding.comp h₁ h₂
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) ⊢ OpenEmbedding ↑(i a)
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding (↑(Sigma.desc i) ∘ ↑(Sigma.ι Z a)) ⊢ OpenEmbedding ↑(i a)
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) ⊢ OpenEmbedding ↑(i a) TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.openEmbedding_of_sigma_desc_iso
[15, 1]
[25, 13]
erw [← CategoryTheory.coe_comp (Sigma.ι Z a) (Sigma.desc i)] at this
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding (↑(Sigma.desc i) ∘ ↑(Sigma.ι Z a)) ⊢ OpenEmbedding ↑(i a)
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding ↑(Sigma.ι Z a ≫ Sigma.desc i) ⊢ OpenEmbedding ↑(i a)
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding (↑(Sigma.desc i) ∘ ↑(Sigma.ι Z a)) ⊢ OpenEmbedding ↑(i a...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.openEmbedding_of_sigma_desc_iso
[15, 1]
[25, 13]
simp only [colimit.ι_desc, Cofan.mk_pt, Cofan.mk_ι_app] at this
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding ↑(Sigma.ι Z a ≫ Sigma.desc i) ⊢ OpenEmbedding ↑(i a)
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding ↑(i a) ⊢ OpenEmbedding ↑(i a)
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding ↑(Sigma.ι Z a ≫ Sigma.desc i) ⊢ OpenEmbedding ↑(i a) TAC...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.openEmbedding_of_sigma_desc_iso
[15, 1]
[25, 13]
assumption
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding ↑(i a) ⊢ OpenEmbedding ↑(i a)
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X HIso : IsIso (Sigma.desc i) a : α h₁ : OpenEmbedding ↑(Sigma.desc i) h₂ : OpenEmbedding ↑(Sigma.ι Z a) this : OpenEmbedding ↑(i a) ⊢ OpenEmbedding ↑(i a) TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.isIso_of_bijective
[33, 1]
[36, 41]
exact CompHaus.isIso_of_bijective _ hf
X Y : ExtrDisc f : X ⟶ Y hf : Function.Bijective ↑f ⊢ IsIso (toCompHaus.map f)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X Y : ExtrDisc f : X ⟶ Y hf : Function.Bijective ↑f ⊢ IsIso (toCompHaus.map f) TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.isIso_of_bijective
[33, 1]
[36, 41]
apply isIso_of_fully_faithful toCompHaus
X Y : ExtrDisc f : X ⟶ Y hf : Function.Bijective ↑f this : IsIso (toCompHaus.map f) ⊢ IsIso f
no goals
Please generate a tactic in lean4 to solve the state. STATE: X Y : ExtrDisc f : X ⟶ Y hf : Function.Bijective ↑f this : IsIso (toCompHaus.map f) ⊢ IsIso f TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
let ζ := finiteCoproduct.desc _ (fun a => pullback.snd f (hOpen a) ≫ finiteCoproduct.ι Z a )
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) ⊢ Function.Injective ↑(finiteCoproduct.desc (fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) fun a => ...
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoproduct.d...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) ⊢ Function.Injective ↑(finiteCoproduct.desc (fun a => (OpenE...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
let α := finiteCoproduct.desc _ ((fun a => pullback.fst f (hOpen a)))
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoproduct.d...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbe...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
let β := finiteCoproduct.desc _ π
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
have comm : ζ ≫ β = α ≫ f := by refine' finiteCoproduct.hom_ext _ _ _ (fun a => _) simp [← Category.assoc, finiteCoproduct.ι_desc, ExtrDisc.pullback.condition]
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
intro R₁ R₂ hR
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
have himage : (ζ ≫ β) R₁ = (ζ ≫ β) R₂ := by rw [comm]; change f (α R₁) = f (α R₂); rw [hR]
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
replace himage := congr_arg (inv β) himage
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
change ((ζ ≫ β ≫ inv β) R₁) = ((ζ ≫ β ≫ inv β) R₂) at himage
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
rw [IsIso.hom_inv_id, Category.comp_id] at himage
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
exact Sigma.subtype_ext Hfst hR
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
refine' finiteCoproduct.hom_ext _ _ _ (fun a => _)
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
simp [← Category.assoc, finiteCoproduct.ι_desc, ExtrDisc.pullback.condition]
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
rw [comm]
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
change f (α R₁) = f (α R₂)
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
rw [hR]
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
constructor <;> rfl
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_injective
[38, 1]
[58, 34]
rw [← this.1, ← this.2, himage]
α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) ⟶ finiteCoproduct Z := finiteCoprod...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α✝ : Type inst✝ : Fintype α✝ X : ExtrDisc Z : α✝ → ExtrDisc π : (a : α✝) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α✝), OpenEmbedding ↑(π a) ζ : (finiteCoproduct fun a => (OpenEmbeddingCone f (_ : Ope...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
let β := finiteCoproduct.desc _ π
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) ⊢ IsIso (finiteCoproduct.desc (fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(π a))).pt) fun a => ExtrDisc.pull...
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π ⊢ IsIso (finiteCoproduct.desc (fun a => (...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) ⊢ IsIso (finiteCoproduct.desc (fun a => (OpenEmbeddingCone f...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
refine' isIso_of_bijective ⟨extensivity_injective f HIso hOpen, fun y => _⟩
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π ⊢ IsIso (finiteCoproduct.desc (fun a => (...
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y ⊢ ∃ a, ↑(finiteCoproduc...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
refine' ⟨⟨(inv β (f y)).1, ⟨y, (inv β (f y)).2, _⟩⟩, rfl⟩
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y ⊢ ∃ a, ↑(finiteCoproduc...
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y ⊢ ↑(π (↑(CategoryTheory.inv...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
have inj : Function.Injective (inv β) := by intros r s hrs convert congr_arg β hrs <;> change _ = (inv β ≫ β) _<;> simp only [IsIso.inv_hom_id]<;> rfl
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y ⊢ ↑(π (↑(CategoryTheory.inv...
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injective ↑(...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
apply inj
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injective ↑(...
case a α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injec...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
intro a
case a α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injec...
case a α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injec...
Please generate a tactic in lean4 to solve the state. STATE: case a α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
simp only [IsIso.comp_inv_eq, finiteCoproduct.ι_desc]
case a α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injec...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
intros r s hrs
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y ⊢ Function.Injective ↑(Cate...
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y r s : CoeSort.coe X hrs : ↑...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
convert congr_arg β hrs <;> change _ = (inv β ≫ β) _<;> simp only [IsIso.inv_hom_id]<;> rfl
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y r s : CoeSort.coe X hrs : ↑...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
change (_ ≫ inv β) _ = _
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injective ↑(...
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injective ↑(...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
rw [this]
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injective ↑(...
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injective ↑(...
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity_explicit
[60, 1]
[76, 56]
rfl
α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (fun a => Z a) π y : CoeSort.coe Y inj : Function.Injective ↑(...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type inst✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc π : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X HIso : IsIso (finiteCoproduct.desc (fun a => Z a) π) hOpen : ∀ (a : α), OpenEmbedding ↑(π a) β : (finiteCoproduct fun a => Z a) ⟶ X := finiteCoproduct.desc (...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
have hOpen := openEmbedding_of_sigma_desc_iso H
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) ⊢ IsIso (Sigma.desc fun x => Limits.pullback.fst)
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) ⊢ IsIso (Sigma.desc fun x => Limits.pullback.fst)
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) ⊢ IsIso (Sigma.desc fun x => Limits.pullback.fst) TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
let θ := Sigma.mapIso (fun a => fromExplicitIso f (hOpen a))
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) ⊢ IsIso (Sigma.desc fun x => Limits.pullback.fst)
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) ⊢ IsIso (Sigma.desc fun x => Limits.pullback.fst) TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
let δ := FromFiniteCoproductIso (fun a => (OpenEmbeddingCone f (hOpen a)).pt)
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
convert extensivity_explicit f HIso hOpen
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
refine' finiteCoproduct.hom_ext _ _ _ (fun a => _)
case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f ...
case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f ...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => p...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
simp [← Category.assoc, finiteCoproduct.ι_desc, fromExplicit]
case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => p...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
apply IsIso.of_isIso_comp_left θ.hom
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
apply IsIso.of_isIso_comp_left δ.hom
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
let ε := ToFiniteCoproductIso Z
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
convert H
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
refine' Sigma.hom_ext _ _ (fun a => _)
case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f ...
case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f ...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => p...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
simp [← Category.assoc]
case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_5 α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => p...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.extensivity
[78, 1]
[95, 64]
apply IsIso.of_isIso_comp_left ε.hom
α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i a) := Sigma.mapIso fun a => fromExplicitIso f (_ : OpenEmb...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type x✝ : Fintype α X : ExtrDisc Z : α → ExtrDisc i : (a : α) → Z a ⟶ X Y : ExtrDisc f : Y ⟶ X H : IsIso (Sigma.desc i) hOpen : ∀ (a : α), OpenEmbedding ↑(i a) θ : (∐ fun a => (OpenEmbeddingCone f (_ : OpenEmbedding ↑(i a))).pt) ≅ ∐ fun a => pullback f (i...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.everything_proj
[97, 1]
[106, 64]
refine' fun P => ⟨(@fun X Y f e he => _)⟩
⊢ EverythingIsProjective ExtrDisc
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e ⊢ ∃ f', f' ≫ e = f
Please generate a tactic in lean4 to solve the state. STATE: ⊢ EverythingIsProjective ExtrDisc TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.everything_proj
[97, 1]
[106, 64]
have proj : Projective (toCompHaus.obj P) := inferInstanceAs (Projective P.compHaus)
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e ⊢ ∃ f', f' ≫ e = f
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) ⊢ ∃ f', f' ≫ e = f
Please generate a tactic in lean4 to solve the state. STATE: P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e ⊢ ∃ f', f' ≫ e = f TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.everything_proj
[97, 1]
[106, 64]
have : Epi (toCompHaus.map e) := by rw [CompHaus.epi_iff_surjective] change Function.Surjective e rwa [← ExtrDisc.epi_iff_surjective]
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) ⊢ ∃ f', f' ≫ e = f
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) ⊢ ∃ f', f' ≫ e = f
Please generate a tactic in lean4 to solve the state. STATE: P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) ⊢ ∃ f', f' ≫ e = f TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.everything_proj
[97, 1]
[106, 64]
set g := toCompHaus.preimage <| Projective.factorThru (toCompHaus.map f) (toCompHaus.map e) with hg
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) ⊢ ∃ f', f' ≫ e = f
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) g : P ⟶ X := toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) hg : g = toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) ⊢ ∃ f', f' ≫ e = f
Please generate a tactic in lean4 to solve the state. STATE: P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) ⊢ ∃ f', f' ≫ e = f TACTIC:
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.everything_proj
[97, 1]
[106, 64]
refine' ⟨g, toCompHaus.map_injective _⟩
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) g : P ⟶ X := toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) hg : g = toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) ⊢ ∃ f', f' ≫ e = f
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) g : P ⟶ X := toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) hg : g = toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) ⊢ toCompHaus.map (g...
Please generate a tactic in lean4 to solve the state. STATE: P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) g : P ⟶ X := toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) hg : g = toCompHaus.preimage (Projective.factorTh...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.everything_proj
[97, 1]
[106, 64]
rw [map_comp, hg, image_preimage, Projective.factorThru_comp]
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) g : P ⟶ X := toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) hg : g = toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) ⊢ toCompHaus.map (g...
no goals
Please generate a tactic in lean4 to solve the state. STATE: P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) this : Epi (toCompHaus.map e) g : P ⟶ X := toCompHaus.preimage (Projective.factorThru (toCompHaus.map f) (toCompHaus.map e)) hg : g = toCompHaus.preimage (Projective.factorTh...
https://github.com/adamtopaz/CopenhagenMasterclass2023.git
a293ca1554f7e80d891fd4d86fb092c54d8a0a01
ExtrDisc/ExplicitSheaves.lean
ExtrDisc.everything_proj
[97, 1]
[106, 64]
rw [CompHaus.epi_iff_surjective]
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) ⊢ Epi (toCompHaus.map e)
P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) ⊢ Function.Surjective ↑(toCompHaus.map e)
Please generate a tactic in lean4 to solve the state. STATE: P X Y : ExtrDisc f : P ⟶ Y e : X ⟶ Y he : Epi e proj : Projective (toCompHaus.obj P) ⊢ Epi (toCompHaus.map e) TACTIC: