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refactor: multiple goal proves

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jstoobysmith 2024-08-20 14:38:29 -04:00
parent fe0e3c3684
commit c89a7fd1ea
12 changed files with 277 additions and 320 deletions
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16
HepLean/SpaceTime/LorentzTensor/Real/IndexNotation.lean
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@ -33,14 +33,14 @@ instance : IndexNotation realTensorColor.Color where
by
intro c
by_cases hc : c = 'ᵘ'
simp [hc]
exact SetCoe.ext (id (Eq.symm hc))
have hc' : c = 'ᵤ' := by
have hc2 := c.2
simp at hc2
simp_all
simp [hc']
exact SetCoe.ext (id (Eq.symm hc'))⟩
· simp [hc]
exact SetCoe.ext (id (Eq.symm hc))
· have hc' : c = 'ᵤ' := by
have hc2 := c.2
simp at hc2
simp_all
simp [hc']
exact SetCoe.ext (id (Eq.symm hc'))⟩
namespace realLorentzTensor