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Proof step 25 from proof getarray-in-01 (previous step)

i0 ≤ i ∧ i < i0 + i1 ∧ 0 < i1, ∀ r, st, i, i0, i2. i→n(i2) < i→n(i1) → (i0 ≤ i ∧ i < i0 + i2 ∧ 0 < i2 → st[r -- i '] ∈ getarray(r, i0, i2, st)) ⊦ st[r -- i '] ∈ getarray(r, i0, i1, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 24:
0 < i1, i < i0 + i1, i0 ≤ i, ∀ r, st, i, i0, i2. i→n(i2) < i→n(i1) → (i0 ≤ i ∧ i < i0 + i2 ∧ 0 < i2 → st[r -- i '] ∈ getarray(r, i0, i2, st)) ⊦ st[r -- i '] ∈ getarray(r, i0, i1, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]