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Proof step 28 from proof getintarray-in (previous step)

0 < st[r -- _length] .intval, 0 ≤ j, j < st[r -- _length] .intval ⊦ ∃ n. ¬ i→n(st[r -- _length] .intval) ≤ n ∧ (intvalues(getarray(r, 0, st[r -- _length] .intval, st))[n]) = st[r -- j '] .intval

User applied rule exists right

And obtained the following new goals

Proof step 27:
0 < st[r -- _length] .intval, 0 ≤ j, j < st[r -- _length] .intval ⊦ ¬ i→n(st[r -- _length] .intval) ≤ i→n(j) ∧ (intvalues(getarray(r, 0, st[r -- _length] .intval, st))[i→n(j)]) = st[r -- j '] .intval

Rule argument

[EXRARG : pos: right 1, [extquanttermlist: (i→n(j))abort:F, discard:T, computed:F]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (i→n(j))]]