def ltv

bend-collections-laws-math@1.0.0.0 · proofs/math/typed/u64int.bend:510

import Base
import bend-collections-laws-math@1.0.0.0/src/math/num.bend as NM
import bend-collections-laws-math@1.0.0.0/src/math/instances.bend as I
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/u64laws.bend as LW
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as WU

510def ltv(+a: WU.U64, +b: WU.U64, +na: Nat, +nb: Nat, +ha: {v(a) == na : Nat}, +hb: {v(b) == nb : Nat}) -> {I.u64_is(NM.Lt{a, b}) == Nat.is_lt(na, nb) : Bool}:
511  Equal.trans(Bool, I.u64_is(NM.Lt{a, b}), Nat.is_lt(v(a), v(b)), Nat.is_lt(na, nb), LW.tests_lt(a, b), nlt(v(a), v(b), na, nb, ha, hb))