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Proof step 1 from proof two-le-04 (conclusion)

⊦ m % 2 = 0 → (n ≤ m / 2 ↔ n * 2 ≤ m)

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: le-div-to-mult: m0 ≠ 0 ⊦ n ≤ m / m0 ↔ n * m0 ≤ m;