| 0 < i ⊦ cast(i, bor(band(j, bcompl(j0)), band(bcompl(j), j0))) = cast(i, bxor(cast(i, j), j0)) |
⊦ bxor(i, j) = bor(band(i, bcompl(j)), band(bcompl(i), j))
0 < i ⊦ cast(i, bor(band(j, bcompl(j0)), band(bcompl(j), j0))) = cast(i, bor(band(cast(i, j), bcompl(j0)), band(bcompl(cast(i, j)), j0)))
Used terms: j0, cast(i, j)