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Proof step 6 from proof copy-same-01-01 (previous step)

r2 ∈ st0, 0 < i3, 0 ≤ i, 0 ≤ i2, exactarray(r2, int_type, st0), i < i3, i2 + i3 ≤ st0[r2 -- _length] .intval, i2 ≤ i0, i2 + i3 ≤ i0, 0 ≤ i0 ⊦ r2 = jvmref, r1 = r2, ((i0 = i2 + i ⊃ val; st0[r2 -- i0 '])) = st0[r2 -- i0 ']

Heuristic if-then-else split applied rule case distinction

And closed the goal!

Rule argument

[CASEDARG : pos: right 3, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i + j = j + i], [CSIMPSEQ : ⊦ i ≤ i + j ↔ 0 ≤ j], [CSIMPSEQ : ⊦ i ≤ 0 ∧ 0 ≤ j → i ≤ j], [CSIMPSEQ : ⊦ i + j + i0 = (i + j) + i0], [CSIMPSEQ : ⊦ i + j ≤ i0 + j ↔ i ≤ i0], [CSIMPSEQ : ⊦ i < j → (¬ ¬ j ≤ i ↔ false)])]]