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def definition def or abbrev

IsVariationalSuccessor

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formal statement (Lean)

 107def IsVariationalSuccessor {N : ℕ} (current next : Configuration N) : Prop :=

proof body

Definition body.

 108  next ∈ Feasible current ∧
 109  ∀ c' ∈ Feasible current, total_defect next ≤ total_defect c'
 110
 111/-- **Total defect** is non-negative for any configuration. -/

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