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lemma proved term proof

modal_distance_self

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formal statement (Lean)

  63lemma modal_distance_self (c : Config) : modal_distance c c = 0 := by

proof body

Term-mode proof.

  64  unfold modal_distance
  65  exact J_transition_self c.pos
  66
  67/-- Modal distance is symmetric. -/

depends on (8)

Lean names referenced from this declaration's body.