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Proof step 7 from proof pot2-ls-pred-01 (previous step)

2 ^ (i - 1) + 1 < 1 / 2 ^ abs(i), i < 0, i ≤ 0 ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
i < 0, 2 ^ (i - 1) + 1 < 1 / 2 ^ ~ i, i ≤ 0 ⊦

Rule argument

Additional information

Used simplifier rules: ⊦ i < 0 → abs(i) = ~ i; (s)