theorem
proved
term proof
grayCycle3_injective
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formal statement (Lean)
132theorem grayCycle3_injective : Function.Injective grayCycle3Path := by
proof body
Term-mode proof.
133 intro i j hij
134 have h0 : gray8At i = gray8At j := pattern3_injective (by simpa [grayCycle3Path] using hij)
135 exact gray8At_injective h0
136