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Proof step 9 from proof int2bits-first (previous step)

sgn(bitsinvert(false ' + true ' + bits0) +1) = false ' + bits, false ∈ false ' + true ' + bits0, j < 0 ⊦

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ sgn(true ' + bits) ≠ false ' + bits0;% ⊦ (bits + false ' + bits0)+1 = bits + (false ' + bits0)+1;% ⊦ (bits + bits0) + bits1 = bits + bits0 + bits1;% ⊦ boolvar + bits = boolvar ' + bits;% ⊦ bitsinvert(true ' + bits) = false + bitsinvert(bits);% ⊦ bitsinvert(false ' + bits) = true + bitsinvert(bits);