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refactor: Working refactor

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jstoobysmith 2024-08-14 16:55:13 -04:00
parent 32fd6721f4
commit d419a17448
8 changed files with 1763 additions and 203 deletions
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3
HepLean/SpaceTime/LorentzTensor/Basic.lean
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@ -126,6 +126,9 @@ lemma symm (h : cX.MapIso e cY) : cY.MapIso e.symm cX := by
rw [MapIso] at h
exact (Equiv.eq_comp_symm e cY cX).mpr h.symm
lemma symm' : cX.MapIso e cY ↔ cY.MapIso e.symm cX := by
refine ⟨symm, symm⟩
lemma trans (h : cX.MapIso e cY) (h' : cY.MapIso e' cZ) :
cX.MapIso (e.trans e') cZ:= by
funext a