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def definition def or abbrev

idAutomorphism

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formal statement (Lean)

 172def idAutomorphism : RecognitionAutomorphism r where
 173  toFun := id

proof body

Definition body.

 174  preserves_event := fun _ => rfl
 175  invFun := id
 176  left_inv := fun _ => rfl
 177  right_inv := fun _ => rfl
 178
 179/-- Composition of automorphisms -/

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depends on (10)

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