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IndisputableMonolith.Foundation.UniversalForcing.MetaphysicalRealization on GitHub at line 33.
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30 ∀ R S : LogicRealization, (arithmeticOf R).peano.carrier ≃ (arithmeticOf S).peano.carrier
31
32/-- The universal forcing theorem supplies a canonical metaphysical-ground
33structure in the neutral, structural sense. -/
34noncomputable def universalGround : MetaphysicalGround where
35 sourceName := "Universal generator of distinguishability"
36 identifies_arithmetic := fun R => R.orbitEquivLogicNat
37 invariant := fun R S => ArithmeticOf.equivOfInitial (arithmeticOf R) (arithmeticOf S)
38
39/-- The metaphysical-ground identification is unique up to the same canonical
40arithmetic equivalence supplied by Universal Forcing. -/
41noncomputable def metaphysical_ground_unique (R : LogicRealization) :
42 (arithmeticOf R).peano.carrier ≃ ArithmeticFromLogic.LogicNat :=
43 R.orbitEquivLogicNat
44
45end MetaphysicalRealization
46end UniversalForcing
47end Foundation
48end IndisputableMonolith