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Merge pull request #293 from HEPLean/pitmonticone/golf

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Pietro Monticone 2025-01-23 10:36:32 +01:00 • committed by GitHub
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HepLean/Lorentz/Group/Boosts.lean
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@ -150,7 +150,7 @@ lemma toMatrix_apply (u v : FuturePointing d) (μ ν : Fin 1 ⊕ Fin d) :
Action.instMonoidalCategory_tensorUnit_V, CategoryTheory.Equivalence.symm_inverse,
Action.functorCategoryEquivalence_functor, Action.FunctorCategoryEquivalence.functor_obj_obj,
Pi.smul_apply, smul_eq_mul, Pi.sub_apply, Pi.neg_apply]
apply Or.inl
left
ring
open minkowskiMatrix in