PROOF.set.sub_minus: def of bend-osdev-caps@0.1.0.0
Import: import bend-osdev-caps@0.1.0.0/PROOF.bend as PROOF
Lines 647-650 of bend-osdev-caps@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-caps@0.1.0.0/PROOF.bend&start_line=647&end_line=650

import Base
import bend-osdev-caps@0.1.0.0/caps.bend as C

def set.sub_minus(+x: C.CapSet(), +y: C.CapSet()) -> {C.CapSet.subset(C.CapSet.minus(x, y), x) == True{} : Bool}:
  match x y:
    case C.CapSetW{U32{+xl}, +xh} C.CapSetW{U32{+yl}, +yh}:
      set.sub_intro(Word.and(32n, xl, Word.not(32n, yl)), xl, Word.and(9n, xh, Word.not(9n, yh)), xh)(bits.sub_minus(32n, xl, yl))(bits.sub_minus(9n, xh, yh))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.not
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/PROOF.bend&name=bits.sub_minus
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/PROOF.bend&name=set.sub_intro
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapSet
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapSet.minus
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapSet.subset
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapSetW