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Proof step 17 from proof long-shiftzero-in (previous step)

l2i(lo) < 0 ∧ # int2bits(l2i(lo)) ≤ 64 ∧ 0 < band(j, 63) ∧ 64 ≠ 0 → >>>(64, l2i(lo), band(j, 63)) < 2 ^ (n→i(64) - 1), l2i(lo) < 0, 0 < >>>(64, l2i(lo), band(j, 63)), 9223372036854775807 < >>>(64, l2i(lo), band(j, 63)) ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ m ≤ n ↔ n < m;% ⊦ i < j → (¬ ¬ j ≤ i ↔ false);% ⊦ ¬ i < j ↔ j ≤ i;