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Proof step 3 from proof sgn-2pot (previous step)

¬(mklist(false, n) ≠ [] ∧ (mklist(false, n).first ↔ ¬ true)) ⊦ sgn(true ' + mklist(false, n)) = true ' + mklist(false, n)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: sgn-one: ⊦ sgn(boolvar ') = boolvar ';% ⊦ boolvar ' = boolvar0 ' ↔ boolvar ↔ boolvar0;% ⊦ (bits + bits0) + bits1 = bits + bits0 + bits1;% ⊦ bits + [] = bits;% ⊦ mklist(boolvar, 0) = [];% ⊦ mklist(boolvar, m) = [] ↔ m = 0;