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Proof step 7 from proof arrayComp-02 (previous step)

0 ≤ j, ∀ i. ¬ i < 0 ∧ ¬ j ≤ i → st[r1 -- (i1 + i) '] = st[r2 -- (i2 + i) '] ⊦ (∀ i. ¬ i < 0 ∧ ¬ j < i → st[r1 -- (i1 + i) '] = st[r2 -- (i2 + i) ']) ↔ st[r1 -- (i1 + j) '] = st[r2 -- (i2 + j) ']

Heuristic quantifier applied rule all left

And obtained the following new goals

Proof step 6:
0 ≤ j, ¬ j -1 < 0 ∧ ¬ j ≤ j -1 → st[r1 -- (i1 + j -1) '] = st[r2 -- (i2 + j -1) '], ∀ i. ¬ i < 0 ∧ ¬ j ≤ i → st[r1 -- (i1 + i) '] = st[r2 -- (i2 + i) '] ⊦ (∀ i. ¬ i < 0 ∧ ¬ j < i → st[r1 -- (i1 + i) '] = st[r2 -- (i2 + i) ']) ↔ st[r1 -- (i1 + j) '] = st[r2 -- (i2 + j) ']

Rule argument

[EXRARG : pos: left 2, [QUANTTERMLIST : (j -1)]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (j -1)]]