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theorem proved term proof

preorder_refl

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formal statement (Lean)

  85theorem preorder_refl (R : ComparativeRecognizer C E) (gt_events : Set E)
  86    (h : InducesPreorder R gt_events) (c : C) :
  87    notGreaterThan R gt_events c c := by

proof body

Term-mode proof.

  88  unfold notGreaterThan
  89  rw [R.compare_self]
  90  exact h.eq_not_gt
  91
  92/-- The induced preorder relation -/

used by (4)

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depends on (4)

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