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Proof step 7 from proof get-first (previous step)

getarray(r, i, i0, st) .first = st[r -- i '], 0 < i0, 0 ≤ i0, ∀ j0, r, i, st. i→n(j0) < i→n(i0 + 1) → (0 < j0 → getarray(r, i, j0, st) .first = st[r -- i ']) ⊦ (getarray(r, i, i0, st) + st[r -- (i + i0) '] ') .first = st[r -- i ']

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
getarray(r, i, i0, st) .first = st[r -- i '], 0 < i0, 0 ≤ i0, ∀ j0, r, i, st. i→n(j0) < i→n(i0 + 1) → (0 < j0 → getarray(r, i, j0, st) .first = st[r -- i ']) ⊦ (getarray(r, i, i0, st) + st[r -- (i + i0) '] ') .first = getarray(r, i, i0, st) .first

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]