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Proof step 23 from proof bits2int-pos (previous step)

#(boolvar ' + firstn(# bits0 % 8, bits0)) ≤ 8, 7 < # bits0 ⊦ bits0 = [], (# bits0 + 1) % 8 = 0, 0 ≤ bytes2int(i2b(bits2int(boolvar ' + firstn(# bits0 % 8, bits0))) ' + bits2bytes(restn(# bits0 % 8, bits0))) ↔ ¬ boolvar

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ m ≤ n ∧ n < n0 → m < n0; (forward)% ⊦ m + n = n + m;% ⊦ (m + n0) + n1 = m + n0 + n1;%n < n0 ⊦ m + (* n) ≤ (* n0) ↔ m ≤ n0 - n;% ⊦ (bits + bits0) + bits1 = bits + bits0 + bits1;% ⊦ # firstn(n, bits) = n;% ⊦ # boolvar ' = 0 +1;% ⊦ #(bits + bits0) = # bits + # bits0;