Update BasisLinear.lean

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Pietro Monticone 2024-08-31 18:08:43 +02:00
parent 86b3b8acd6
commit bf3a2df9b4

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@ -74,8 +74,7 @@ lemma sum_δ₁_δ₂ (S : Fin (2 * n.succ) → ) :
· intro i
simp only [mem_univ, Fin.symm_castOrderIso, RelIso.coe_fn_toEquiv]
· exact fun _ _=> rfl
rw [h1]
rw [Fin.sum_univ_add, Finset.sum_add_distrib]
rw [h1, Fin.sum_univ_add, Finset.sum_add_distrib]
rfl
lemma sum_δ₁_δ₂' (S : Fin (2 * n.succ) → ) :
@ -85,8 +84,7 @@ lemma sum_δ₁_δ₂' (S : Fin (2 * n.succ) → ) :
· intro i
simp only [mem_univ, Fin.symm_castOrderIso, RelIso.coe_fn_toEquiv]
· exact fun _ _ => rfl
rw [h1]
rw [Fin.sum_univ_add, Finset.sum_add_distrib]
rw [h1, Fin.sum_univ_add, Finset.sum_add_distrib]
rfl
lemma sum_δ!₁_δ!₂ (S : Fin (2 * n.succ) → ) :