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Proof step 27 from proof getintarray-in (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 26:
0 < st[r -- _length] .intval, 0 ≤ j, j < st[r -- _length] .intval ⊦ (intvalues(getarray(r, 0, st[r -- _length] .intval, st))[i→n(j)]) = st[r -- j '] .intval

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i < j → (¬ ¬ j ≤ i ↔ false)], [CSIMPSEQ : ⊦ 0 ≤ i → abs(i) = i], [CSIMPSEQ : ⊦ 0 < j → abs(j) = j], [CSIMPSEQ : ⊦ i→n(i) ≤ i→n(j) ↔ abs(i) ≤ abs(j)])]]