DibyashanuPati/PhysLean
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feat: More fixes

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jstoobysmith 2024-11-02 08:50:17 +00:00
parent 4df8663cbc
commit c9c9047a0c
31 changed files with 134 additions and 124 deletions
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HepLean/Mathematics/Fin.lean
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@ -84,7 +84,7 @@ lemma predAboveI_lt {i x : Fin n.succ.succ} (h : x.val < i.val) :
lemma predAboveI_ge {i x : Fin n.succ.succ} (h : i.val < x.val) :
predAboveI i x = ⟨x.val - 1, by omega⟩ := by
simp only [Nat.succ_eq_add_one, predAboveI, Fin.val_fin_lt, dite_eq_else, Fin.mk.injEq]
simp only [Nat.succ_eq_add_one, predAboveI, Fin.val_fin_lt, dite_eq_right_iff, Fin.mk.injEq]
omega
lemma succAbove_succAbove_predAboveI (i : Fin n.succ.succ) (j : Fin n.succ) (x : Fin n) :