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theorem proved term proof

bool_hasIdentityStep

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formal statement (Lean)

  67theorem bool_hasIdentityStep : boolRealization.hasIdentityStep :=

proof body

Term-mode proof.

  68  LogicRealization.hasIdentityStep_of_nontrivial boolRealization
  69
  70/-- Boolean realization has the same forced arithmetic as every realization. -/

depends on (6)

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