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Proof step 2 from proof eqle-one (previous step)

m = n + 1, n < n0 ⊦ m ≤ n0

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: succ-01: ⊦ m + 1 ≤ n ↔ m < n;%lels: ⊦ m < n ↔ ¬ n ≤ m;%ls-le-simp: ⊦ m < n → (n ≤ m ↔ false);%c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic