theorem
proved
samePattern_symm
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IndisputableMonolith.RRF.Theorems.OctaveTransfer on GitHub at line 93.
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90theorem samePattern_refl (O : Octave) : samePattern O O :=
91 ⟨OctaveEquiv.refl O⟩
92
93theorem samePattern_symm {O₁ O₂ : Octave} (h : samePattern O₁ O₂) :
94 samePattern O₂ O₁ :=
95 let ⟨e⟩ := h
96 ⟨OctaveEquiv.symm e⟩
97
98end RRF.Theorems
99end IndisputableMonolith