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Proof step 23 from proof range-extend (previous step)

n2 < m1, range=(copy(ar, n, ar0, n0 + m0, m1), n0, ar1, n1, m0), (n0 + m0) + m1 ≤ # ar0, (n1 + m0) + m1 ≤ # ar1, n + m1 ≤ # ar, n0 + m0 + m1 ≤ # ar0, ∀ n2. n2 < m1 → copy(ar, n, ar0, n0 + m0, m1)[(n0 + m0) + n2] = ar1[(n1 + m0) + n2] ⊦ ar[n + n2] = ar1[(n1 + m0) + n2]

User applied rule all left

And obtained the following new goals

Proof step 24:
n2 < m1, range=(copy(ar, n, ar0, n0 + m0, m1), n0, ar1, n1, m0), n0 + m0 + m1 ≤ # ar0, n + m1 ≤ # ar, (n1 + m0) + m1 ≤ # ar1, (n0 + m0) + m1 ≤ # ar0, n2 < m1 → copy(ar, n, ar0, n0 + m0, m1)[(n0 + m0) + n2] = ar1[(n1 + m0) + n2] ⊦ ar[n + n2] = ar1[(n1 + m0) + n2]

Rule argument

pos: left 7 terms: n2 abort: F discard: T computed: T

Additional information

Used terms: n2