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Proof step 23 from proof subarray-split-at (conclusion)

⊦ n < # ar → ar = subarray(ar, 0, n) + subarray(ar, n, # ar - n)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 22:
n < # ar ⊦ ar = subarray(ar, 0, n) + subarray(ar, n, # ar - n), # ar = 0

Rule argument

Additional information

[Concretesimprules((Csimpnamedforward(nat-basic1,,f, ⊦ m < n → n ≠ 0)))]