| bitsor(boolvar ' + bits1, boolvar0 ' + bits) = boolvar1 ' + bits0 ⊦ boolvar1, boolvar1 ↔ boolvar ∨ boolvar0 |
bitsor(boolvar ' + bits1, boolvar0 ' + bits) = false ' + bits0, boolvar ∨ boolvar0 ⊦
Used simplifier rules: ⊦ boolvar ∈ boolvar0 ' ↔ boolvar ↔ boolvar0;% ⊦ boolvar ∈ bits + bits0 ↔ ¬ ¬(boolvar ∈ bits ∨ boolvar ∈ bits0);% ⊦ (bits + bits0) + bits1 = bits + bits0 + bits1;% ⊦ boolvar ' + bits = bits0 → boolvar ∈ bits0; (forward)