| true, ∀ bits1, bits. # bits1 < # bits0 → true → (bits + bits1)+1 = bits +1 + bitsinvert(bits1) ∨ false ∈ bits1 ⊦ (bits + bits0)+1 = bits +1 + bitsinvert(bits0) ∨ false ∈ bits0 |
∀ bits1, bits. # bits1 < # bits0 → true → (bits + bits1)+1 = bits +1 + bitsinvert(bits1) ∨ false ∈ bits1 ⊦ (bits + bits0)+1 = bits +1 + bitsinvert(bits0), false ∈ bits0