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Proof step 6 from proof fix-rec-neg (previous step)

¬(#(by ' + bytes0) < n ∧ bytes2int(by ' + bytes0) < 0), 1 + # bytes0 < n, b2i(by) < 0 ⊦ fix(n, by ' + bytes0) = i2b(~1) ' + fix(n - 1, by ' + bytes0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ i < 0 ∧ 0 ≤ j → i < j;% ⊦ i < j ∧ j ≤ j0 → i < j0; (forward)% ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j; (forward)% ⊦ ¬ i < j ↔ j ≤ i;% ⊦ m < n → (n ≤ m ↔ false);% ⊦ m + n = n + m;% ⊦ ¬ m < n ↔ n ≤ m;% ⊦ (bytes + bytes0) + bytes1 = bytes + bytes0 + bytes1;% ⊦ # by ' = 0 +1;% ⊦ #(bytes + bytes0) = # bytes + # bytes0;