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Proof step 5 from proof subarray-append-elim-left0 (previous step)

m ≤ # ar1 ⊦ copy(ar0 + ar1, # ar0, mkarray(m), 0, m) = subarray(ar1, 0, m)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
⊦ m ≤ # ar1 → copy(ar0 + ar1, # ar0, ar, n, m) = copy(ar1, 0, ar, n, m)
Proof step 7:
⊦ (ar + ar0) + ar1 = ar + ar0 + ar1
Proof step 8:
m ≤ # ar1 ⊦ copy(ar1, 0, mkarray(m), 0, m) = subarray(ar1, 0, m)

Rule argument

Additional information

Used simplifier rules: copy-shift-append: ⊦ m ≤ # ar1 → copy(ar0 + ar1, # ar0, ar, n, m) = copy(ar1, 0, ar, n, m);%append-a: ⊦ (ar + ar0) + ar1 = ar + ar0 + ar1;