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Proof step 5 from proof getarray-put-05 (previous step)

¬ r ≠ r0, i0 < i ∨ i + j ≤ i0 ⊦ getarray(r, i, j, st[r0 -- i0 ', val]) = getarray(r, i, j, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ i0 < i → getarray(r, i, j, st[r -- i0 ', val]) = getarray(r, i, j, st)
Proof step 4:
i + j ≤ i0, i ≤ i0 ⊦ getarray(r0, i, j, st[r0 -- i0 ', val]) = getarray(r0, i, j, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ i < j ↔ j ≤ i])]]