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Update Insert.lean

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Pietro Monticone 2025-01-23 00:58:18 +01:00
parent dd66b00dbb
commit 3447a2fc08
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HepLean/PerturbationTheory/WickContraction/Insert.lean
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@ -200,7 +200,7 @@ lemma mem_uncontracted_insert_none_iff (c : WickContraction n) (i : Fin n.succ)
· simp only [Nat.succ_eq_add_one, ← Fin.exists_succAbove_eq_iff] at hi
obtain ⟨z, hk⟩ := hi
subst hk
have hn : ¬ i.succAbove z = i := by exact Fin.succAbove_ne i z
have hn : ¬ i.succAbove z = i := Fin.succAbove_ne i z
simp only [Nat.succ_eq_add_one, insert_succAbove_mem_uncontracted_iff, hn, false_or]
apply Iff.intro
· intro h