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Proof step 17 from proof compatarray-isarray (previous step)

st[r -- _length] = intval(i), st[r -- _type] .type = mkarraytype(ty), 0 ≤ i, r ∈ st, is_arrayref(r, i, st), is_integervalue(st[r -- _length]), r -- _length ∈ st, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → compat(str, st[r -- j '], ty, st) ⊦ r = jvmref, is_array(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 16:
st[r -- _type] .type = mkarraytype(ty), st[r -- _length] = intval(i), 0 ≤ i, r -- _length ∈ st, is_arrayref(r, i, st), r ∈ st, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → compat(str, st[r -- j '], ty, st) ⊦ r = jvmref, is_array(r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_integervalue(intval(i))], [CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j])]]