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Proof step 1 from proof l-05 (conclusion)

⊦ m + m0 < n → ¬ n + n0 < m

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
m + m0 < n, n + n0 < m ⊦

Rule argument

Additional information

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