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Proof step 47 from proof divi-same (previous step)

m * n2 + n3 = m * n1, n1 = n0 + n2, n2 ≤ n1 ⊦ m * n0 = n3, n3 = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 48:
m * n2 + n3 = m * (n0 + n2) ⊦ m * n0 = n3, n3 = 0

Rule argument

Additional information

Used simplifier rules: c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic% ⊦ m ≤ m + n; (s)