def set.root_z

bend-osdev-caps@0.1.0.0 · PROOF.bend:697

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

697def set.root_z(+i: C.CapSet(), +b: C.CapSet()) -> {C.CapSet.union(C.CapSet.union(C.CapSet.inter(i, C.CapSet.full()), C.CapSet.inter(C.CapSet.full(), b)), C.CapSet.empty()) == C.CapSet.union(i, b) : C.CapSet()}:
698  match i b:
699    case C.CapSetW{U32{+il}, +ih} C.CapSetW{U32{+bl}, +bh}:
700      set.eq_intro(Word.or(32n, Word.or(32n, Word.and(32n, il, C.CapBits.all(32n)), Word.and(32n, C.CapBits.all(32n), bl)), Word.zero(32n)), Word.or(32n, il, bl), Word.or(9n, Word.or(9n, Word.and(9n, ih, C.CapBits.all(9n)), Word.and(9n, C.CapBits.all(9n), bh)), Word.zero(9n)), Word.or(9n, ih, bh), bits.root_z(32n, il, bl), bits.root_z(9n, ih, bh))