lemma
proved
matrixBridge_accepts_identity
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IndisputableMonolith.Relativity.Geometry.MatrixBridge on GitHub at line 30.
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27def MatrixBridgeAccepts (B : MatrixBridge) : Prop :=
28 B.matrix.det ≠ 0
29
30@[simp] lemma matrixBridge_accepts_identity : MatrixBridgeAccepts {} := by
31 unfold MatrixBridgeAccepts
32 simp [MatrixBridge]
33
34
35end Geometry
36end Relativity
37end IndisputableMonolith