def wsub_eq
bend-collections-laws-math@1.0.0.0 · proofs/math/typed/fix64.bend:361
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/fix64.bend as Fix64
import Base
import bend-collections-laws-math@1.0.0.0/spec/lib/common.bend as C
import bend-collections-laws-math@1.0.0.0/spec/math/generic.bend as SG
import bend-collections-laws-math@1.0.0.0/spec/math/fixed.bend as SF
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as WU
import bend-collections-laws-math@1.0.0.0/src/math/fixed.bend as F
361def wsub_eq(+a: WU.U64, +b: WU.U64) -> {Nat.add(SG.u64_val(F.u64_wsub(a, b)), SG.u64_val(b)) == Nat.add(SG.u64_val(a), C.shift(64n, SF.bn(Nat.is_lt(SG.u64_val(a), SG.u64_val(b))))) : Nat}:
362 wsub_g(1n, {==}, F.u64_max(), top1(1n, {==}), a, b)