def pn

bend-collections-laws-math@1.0.0.0 · proofs/math/typed/f64conv.bend:227

import Base
import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as SF
import bend-collections-laws-math@1.0.0.0/src/math/num.bend as NE

227def pn(+b: Bool, +n: Nat) -> {SF.pick(Result<&2, &2, NE.NumError, Nat>, b, Done{n}, Fail{NE.Overflow{}}) == SF.pick(Result<&2, &2, NE.NumError, Nat>, Bool.not(b), Fail{NE.Overflow{}}, Done{n}) : Result<&2, &2, NE.NumError, Nat>}:
228  match b:
229    case True{}:
230      {==}
231    case False{}:
232      {==}