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Proof step 1 from proof lsls (conclusion)

⊦ n + m < m0 → ¬ n0 + m0 < m

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: a: ⊦ (m + n0) + n1 = m + n0 + n1;%c: ⊦ m + n = n + m;%l-05: ⊦ m + m0 < n → ¬ n + n0 < m;