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feat: Add contr_contr theorem

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jstoobysmith 2024-10-19 08:33:49 +00:00
parent 0bbc3f4019
commit 90dd337aab
5 changed files with 257 additions and 154 deletions
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2
HepLean/Tensors/OverColor/Iso.lean
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@ -204,7 +204,7 @@ lemma extractTwo_finExtractTwo_succ {n : ℕ} (i : Fin n.succ.succ.succ) (j : F
rw [succsAbove_predAboveI, succsAbove_predAboveI]
exact hy
simp
rw [predAbove_eq_iff]
rw [predAboveI_eq_iff]
simp [y]
erw [← Equiv.symm_apply_eq ]
have h0 : (Hom.toEquiv σ).symm (i.succAbove j) =