def encoded_subtract_add

stelliferous@0.0.2.0 · proofs/word_subtraction.bend:90

import Base
import stelliferous@0.0.2.0/proofs/word_arithmetic.bend as WordArithmetic

90def encoded_subtract_add(+a: Nat,+b: Nat) -> {U32.sub(U32.from_nat(Nat.add(a,b)),U32.from_nat(b)) == U32.from_nat(a) : U32}:
91  %WordArithmetic.native_add(a,b) : {U32.sub(_,U32.from_nat(b)) == U32.from_nat(a) : U32}
92  subtract_add(U32.from_nat(a),U32.from_nat(b))