34noncomputable def universalGround : MetaphysicalGround where 35 sourceName := "Universal generator of distinguishability"
proof body
Definition body.
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. -/
depends on (17)
Lean names referenced from this declaration's body.