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Proof step 4 from proof get-eqex-01 (previous step)

getarray(r, st0 -- r0) = getarray(r, st -- r0), st -- r0 = st0 -- r0 ⊦ getarray(r, st0) = getarray(r, st), r = r0

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ r ≠ r0 → getarray(r, st -- r0) = getarray(r, st)
Proof step 3:
⊦ r ≠ r0 → getarray(r, st -- r0) = getarray(r, st)

Rule argument

[crewrite-arg: get-del, F, [r0, st, r] → [r0, st0, r]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r0, st0, r)]]