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Proof step 9 from proof bitsor-sgn-in (previous step)

true ∈ bits ∧ false ∈ bits → bits = mklist(boolvar0, n) + boolvar1 ' + bits1 ∧ sgn(mklist(boolvar0, n) + boolvar1 ' + bits1) = boolvar0 ' + boolvar1 ' + bits1 ∧ ¬(boolvar0 ↔ boolvar1) ∧ n ≠ 0 ⊦ true ∈ bits ∧ false ∈ bits, bits = [], bits0 = [], boolvar ∈ bitsor(sgn(bits), bits0) ↔ boolvar ∈ bitsor(bits, bits0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
⊦ bits = [], bits0 = [], boolvar ∈ bitsor(sgn(bits), bits0) ↔ boolvar ∈ bitsor(bits, bits0), true ∈ bits ∧ false ∈ bits

Proof step 9 from proof bitsor-sgn-in (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information