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feat: Three tensor nodes

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jstoobysmith 2024-10-22 14:19:43 +00:00
parent 6bca8c295c
commit ed162d7e79
5 changed files with 68 additions and 4 deletions
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2
HepLean/Tensors/Tree/NodeIdentities/ProdComm.lean
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@ -36,7 +36,7 @@ lemma finSumFinEquiv_comp_braidPerm :
(β_ (OverColor.mk c2) (OverColor.mk c)).hom
≫ (equivToIso finSumFinEquiv).hom := by
rw [braidPerm]
simp
simp only [Functor.id_obj, mk_hom, Iso.hom_inv_id_assoc]
/-- The arguments of a `prod` node can be commuted using braiding. -/
theorem prod_comm (t : TensorTree S c) (t2 : TensorTree S c2) :