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structure definition def or abbrev

ReachabilityWitness

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formal statement (Lean)

  91structure ReachabilityWitness (α G : Type*)
  92    (adm : Admissible α) (act : GenAction α G) where
  93  f : α → α
  94  preserves : SigmaPreserving adm f
  95  gs : List G
  96  decomposes : ∀ x, adm x → f x = composeGenerators act gs x
  97

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