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Proof step 1 from proof ladd-01 (conclusion)

n ≠ 0 ⊦ m = n + n0 → ¬ log2 m < log2 n

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
log2(n + n0) < log2 n ⊦ n = 0, log2 n = 0

Rule argument

Additional information

Used simplifier rules: f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic1