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Proof step 3 from proof arrayComp-01 (previous step)

st[r1 -- (i1 + j) '] = st[r2 -- (i2 + j) '], 0 < j, i ≤ j, 0 ≤ j, 0 ≤ i, ∀ i. ¬ i < 0 ∧ ¬ j ≤ i → st[r1 -- (i1 + i) '] = st[r2 -- (i2 + i) '] ⊦ st[r1 -- (i1 + i) '] = st[r2 -- (i2 + i) ']

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 6, [extquanttermlist: (i)abort:F, discard:T, computed:T]]

Additional information

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