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Proof step 10 from proof n2s-s2n-identity (previous step)

s→n(n→s(m / 10)) = m / 10, 10 ≤ m, ∀ m1. m1 < m → true → s→n(n→s(m1)) = m1 ⊦ m = 0, s→n(n→s(m / 10)) * 10 + s→n(n→s(m % 10)) = m

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information