PROOF.inv16.s: def of bend-osdev-gf@0.1.1.0
Import: import bend-osdev-gf@0.1.1.0/PROOF.bend as PROOF
Lines 7564-7625 of bend-osdev-gf@0.1.1.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-gf@0.1.1.0/PROOF.bend&start_line=7564&end_line=7625

import Base
import bend-osdev-gf@0.1.1.0/gfm.bend as M

def inv16.s(+b0: Bool, +b1: Bool, +b2: Bool, +b3: Bool) -> {M.gfm.mul.raw(M.Gfm.gf16(), fixm(U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, Word.zero(28n)}}}}}), M.Gfm.elt(M.Gfm.gf16(), M.gfm.pow.start(M.Gfm.gf16(), fixm(U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, Word.zero(28n)}}}}}), U32.sub(M.Gfm.mask(M.Gfm.gf16()), 1)))) == 1 : U32}:
  match b0:
    case True{}:
      match b1:
        case True{}:
          match b2:
            case True{}:
              match b3:
                case True{}:
                  {==}
                case False{}:
                  {==}
            case False{}:
              match b3:
                case True{}:
                  {==}
                case False{}:
                  {==}
        case False{}:
          match b2:
            case True{}:
              match b3:
                case True{}:
                  {==}
                case False{}:
                  {==}
            case False{}:
              match b3:
                case True{}:
                  {==}
                case False{}:
                  {==}
    case False{}:
      match b1:
        case True{}:
          match b2:
            case True{}:
              match b3:
                case True{}:
                  {==}
                case False{}:
                  {==}
            case False{}:
              match b3:
                case True{}:
                  {==}
                case False{}:
                  {==}
        case False{}:
          match b2:
            case True{}:
              match b3:
                case True{}:
                  {==}
                case False{}:
                  {==}
            case False{}:
              match b3:
                case True{}:
                  {==}
                case False{}:
                  {==}

Uses (11):
  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=U32.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.Con
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.zero
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/PROOF.bend&name=fixm
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&name=Gfm.elt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&name=Gfm.gf16
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&name=Gfm.mask
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&name=gfm.mul.raw
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&name=gfm.pow.start