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Proof step 3 from proof isarrayref-mod (previous step)

0 < i, 0 ≤ j, j < i, r -- j ' ∈ st, r ∈ st, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → r -- j ' ∈ st, r0 -- _length ∈ st → st[r0 -- _length] = st0[r0 -- _length], r0 -- _type ∈ st → st[r0 -- _type] = st0[r0 -- _type], ∀ r1, sk. r1 ≠ r0 → st[r1 -- sk] = st0[r1 -- sk], ∀ rk. rk ∈ st ↔ rk ∈ st0 ⊦ r = r0, r -- j ' ∈ st0

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 10, [QUANTTERMLIST : (r -- j ')]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r -- j ')]]