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refactor: Replace more simp with simp only

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jstoobysmith 2024-09-06 07:08:08 -04:00
parent b8cd3928e7
commit 750c4048f6
11 changed files with 76 additions and 55 deletions
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HepLean/SpaceTime/LorentzVector/Covariant.lean
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@ -48,7 +48,7 @@ noncomputable def stdBasis : Basis (Fin 1 ⊕ Fin (d)) ℝ (CovariantLorentzVect
lemma decomp_stdBasis (v : CovariantLorentzVector d) : ∑ i, v i • stdBasis i = v := by
funext ν
rw [Finset.sum_apply, Finset.sum_eq_single_of_mem ν]
· simp [HSMul.hSMul, SMul.smul, stdBasis, Pi.basisFun_apply]
· simp only [HSMul.hSMul, SMul.smul, stdBasis]
erw [Pi.basisFun_apply]
simp only [Pi.single_eq_same, mul_one]
· exact Finset.mem_univ ν