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Proof step 10 from proof fits-law-div-stronger (previous step)

b2i(by1) / i < ~128, b2i(by1) / i ≤ abs(b2i(by1)), 0 ≤ abs(b2i(by1)) + b2i(by1) / i, b2i(by1) / i < 0 ⊦ i = ~1, i = 0, b2i(by1) / i = b2i(i2b(b2i(by1) / i))

User applied rule cut formula

And obtained the following new goals

Rule argument

fma: ~ abs(b2i(by1)) ≤ b2i(by1) / i

Additional information

Used simplifier rules: ⊦ ~ i ≤ j ↔ 0 ≤ i + j;% ⊦ ¬ i ≤ j ↔ j < i;% ⊦ i + j = j + i;% ⊦ i ≤ j → (¬ ¬ j < i ↔ false); Used formulas: ~ abs(b2i(by1)) ≤ b2i(by1) / i