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Proof step 7 from proof fits-law-shr (previous step)

band(i, 31) ≤ 0 ⊦ b2i(by) i>> band(i, 31) = b2i(i2b(b2i(by) i>> band(i, 31))), ¬ b2i(by) < 0 ∧ ¬ band(i, 31) ≤ 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ j ≤ i ∧ i ≤ 0 → j ≤ 0; (forward)% ⊦ i ≤ 0 ∧ 0 ≤ j → i ≤ j;% ⊦ band(i, j) = band(j, i);