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def definition def or abbrev

bool_arithmetic_invariant

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formal statement (Lean)

  71noncomputable def bool_arithmetic_invariant (R : LogicRealization.{0, 0}) :
  72    (UniversalForcing.arithmeticOf boolRealization).peano.carrier
  73      ≃ (UniversalForcing.arithmeticOf R).peano.carrier :=

proof body

Definition body.

  74  ArithmeticOf.equivOfInitial
  75    (UniversalForcing.arithmeticOf boolRealization) (UniversalForcing.arithmeticOf R)
  76
  77/-- The Boolean realization's forced arithmetic has the Peano surface. -/

depends on (8)

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