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Proof step 5 from proof square-le-02 (previous step)

n * n < m * m, m * m ≤ n * n, n < m ⊦ m = 0

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: nat inst: name: le-def seq: ⊦ m ≤ n ↔ ¬ n < m subst: [n, m] → [n * n, m * m] flags: rewrite

Additional information

Used terms: n * n, m * m