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Proof step 5 from proof two-loup-07 (previous step)

m + n = m0 * 2 + n0, m < n, n + 1 < m0, n0 < 2 ⊦ 2 = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
m + n = m0 * 2 + n0, m < n, n + 1 < m0, n0 < 2 ⊦

Rule argument

Additional information

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