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Proof step 6 from proof mod-rew (previous step)

m = m / n * n + m % n ⊦ m % n = m - m / n * n, n = 0

User applied rule insert equation

And closed the goal!

Rule argument

pos: left 1 flags: discard, [[2,1,2,1]]

Additional information

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