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Proof step 35 from proof fillsgn-rec (previous step)

¬(#(by ' + bytes0) < (1 + # bytes0) + n ∧ bytes2int(by ' + bytes0) < 0), bytes2int(by ' + bytes0) < 0 ⊦ mklist(i2b(~1), n + 1) + by ' + bytes0 = (¬ 0 ≤ b2i(by) ⊃ i2b(~1);i2b(0)) ' + fillsgn((1 + # bytes0) + n, by ' + bytes0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ mklist(by, 1) = by ';% ⊦ i < j → (¬ ¬ j ≤ i ↔ false);% ⊦ ¬ i < j ↔ j ≤ i;% ⊦ m + n = n + m;% ⊦ (m + n0) + n1 = m + n0 + n1;% ⊦ m + m0 ≤ m ↔ m0 = 0;% ⊦ ¬ m < n ↔ n ≤ m;% ⊦ m + n < m + n0 ↔ n < n0;% ⊦ (bytes + bytes0) + bytes1 = bytes + bytes0 + bytes1;% ⊦ # by ' = 0 +1;% ⊦ #(bytes + bytes0) = # bytes + # bytes0;