def FR

bend-collections-laws-math@1.0.0.0 · proofs/math/typed/u32int.bend:731

import Base

731# the value when the flag says it fits
732def FR(ok: Bool, a: U32, x: Nat) -> Type:
733  match ok:
734    case True{}:
735      {v(a) == x : Nat}
736    case False{}:
737      {x == x : Nat}