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Proof step 8 from proof getintarray-subset-01 (previous step)

st ⊆ st0, 0 ≤ i, ∀ j0. ¬ j0 < 0 ∧ ¬ i + j ≤ j0 → r -- j0 ' ∈ st ⊦ intvalues(getarray(r, i, j, st)) = intvalues(getarray(r, i, j, st0))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 4:
⊦ st ⊆ st0 ∧ is_arrayref(r, i + j, st) ∧ 0 ≤ i → getarray(r, i, j, st) = getarray(r, i, j, st0)
Proof step 7:
¬ (st ⊆ st0 ∧ is_arrayref(r, i + j, st) ∧ 0 ≤ i), st ⊆ st0, 0 ≤ i, ∀ j0. ¬ j0 < 0 ∧ ¬ i + j ≤ j0 → r -- j0 ' ∈ st ⊦ intvalues(getarray(r, i, j, st)) = intvalues(getarray(r, i, j, st0))

Rule argument

[crewrite-arg: getarray-subset , F , [st, st0, r, i, j] → [st, st0, r, i, j] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, st0, r, i, j)]]