def AP.u32_and_id

bend-osdev-array@0.1.0.1 · PROOF.bend:952

import Base
import bend-osdev-array@0.1.0.1/array.bend as A

952def AP.u32_and_id(+a: U32, +d: Nat, h: {Nat.is_lt(U32.to_nat(a), A.Arrays.slots(d)) == True{} : Bool}) -> {U32.and(a, U32{AP.lm(32n, d)}) == a : U32}:
953  match a:
954    case U32{+w}:
955      AP.u32_cong(Word.and(32n, w, AP.lm(32n, d)), w, AP.and_id(32n, w, d, h))