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theorem proved term proof

comparativeEquiv_symm

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formal statement (Lean)

 125theorem comparativeEquiv_symm (R : ComparativeRecognizer C E) (gt_events : Set E)
 126    {c₁ c₂ : C} (h : comparativeEquiv R gt_events c₁ c₂) :
 127    comparativeEquiv R gt_events c₂ c₁ :=

proof body

Term-mode proof.

 128  ⟨h.2, h.1⟩
 129

depends on (3)

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