| true ∈ bits2 ⊦ bits2 = [], # bits2 = 1, boolvar ↔ boolvar ∈ bitsor(bits2, true '), false ∈ bits2 |
⊦ bits ≠ [] ∧ bits0 = true ' → bitsor(bits, bits0) = true '
Used simplifier rules: ⊦ boolvar ∈ boolvar0 ' ↔ boolvar ↔ boolvar0; Used terms: true ', bits2