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Proof step 8 from proof copy2append00 (previous step)

# ar0 = n0 + n, n ≤ # ar1, n ≤ # ar0 ⊦ copy(ar1, 0, ar0, 0, n) = subarray(ar1, 0, n) + subarray(ar0, n, n0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
# ar0 = n0 + n, n ≤ # ar1 ⊦ copy(ar1, 0, ar0, 0, n) = subarray(ar1, 0, n) + subarray(ar0, n, n0)

Rule argument

Additional information

[Concretesimprules((Csimpnamedseq(nat-basic2,,c, ⊦ m + n = n + m) Csimpnamedseq(nat-basic2,,a, ⊦ (m + n0) + n1 = m + n0 + n1) Csimpnamedseq(nat,,lep, ⊦ m ≤ m + n)))]