PROOF.h.u_diff.c: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/PROOF.bend as PROOF
Lines 2721-2734 of bend-kit-collections@0.1.4.1/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&start_line=2721&end_line=2734

import Base

def h.u_diff.c(
  +o: U32, +hk: U32, +mask: U32, +c: Bool,
  e2: {U32.is_eq((o .&. mask : U32), 0) == c : Bool},
  ed: {U32.is_eq((hk .&. mask : U32), 0) == Bool.not(c) : Bool},
  b: Bool, eb: {b == U32.is_eq(o, hk) : Bool}
) -> {b == False{} : Bool}:
  match b:
    case True{}:
      +e3 = rw(U32, z => {U32.is_eq((z .&. mask : U32), 0) == c : Bool}, hk, o,
        Equal.sym(U32, o, hk, h.u_sound(o, hk, h.sb(True{}, U32.is_eq(o, hk), eb))), e2)
      Empty.absurd({True{} == False{} : Bool}, h.cnc(c, Equal.trans(Bool, c, U32.is_eq((hk .&. mask : U32), 0), Bool.not(c),
          Equal.sym(Bool, U32.is_eq((hk .&. mask : U32), 0), c, e3), ed)))
    case False{}:
      {==}

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.cnc
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.sb
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.u_sound
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=rw