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feat: Important fix to ContrContr

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jstoobysmith 2024-10-29 10:37:18 +00:00
parent 83ff8f5358
commit 4756466001
7 changed files with 184 additions and 2 deletions
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12
HepLean/Tensors/ComplexLorentz/Basic.lean
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@ -209,5 +209,17 @@ lemma basis_contr (c : complexLorentzTensor.C) (i : Fin (complexLorentzTensor.re
| Color.up => Lorentz.contrCoContraction_basis _ _
| Color.down => Lorentz.coContrContraction_basis _ _
instance {n : ℕ} {c : Fin n → complexLorentzTensor.C} :
DecidableEq (OverColor.mk c).left := instDecidableEqFin n
instance {n : ℕ} {c : Fin n → complexLorentzTensor.C} :
Fintype (OverColor.mk c).left := Fin.fintype n
instance {n m : ℕ} {c : Fin n → complexLorentzTensor.C}
{c1 : Fin m → complexLorentzTensor.C} (σ σ' : OverColor.mk c ⟶ OverColor.mk c1) :
Decidable (σ = σ') :=
decidable_of_iff _ (OverColor.Hom.ext_iff σ σ')
end complexLorentzTensor
end