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Proof step 16 from proof fits-put-other (previous step)

st[r -- sk0] = refval(r1), st[r -- sks0] .refval = st[r1 -- sks] .refval, sks0 + sk ' ⊑ sk0 ' + sks, r ≠ st[r1 -- sks] .refval ∨ sk0 ≠ sk, is_classtype(st[r -- _type] .type) → sk0 ∈ instfields(st[r -- _type] .type .class), ∀ sks3. sks3 + sk ' ⊑ sks → st[r1 -- sks3] .refval ≠ st[r1 -- sks] .refval ⊦ sks0 = [], sks = [], fits(r1, sks + sk ' + sks1, st[st[r1 -- sks] .refval -- sk, val]) ↔ fits(r1, sks + sk ' + sks1, st), (is_arraytype(st[r -- _type] .type) → is_indexkey(sk0) ∧ 0 ≤ sk0 .index ∧ sk0 .index < st[r -- _length] .intval) ∧ fits(r1, sks + sk ' + sks1, st[st[r1 -- sks] .refval -- sk, val]) ↔ (is_arraytype(st[r -- _type] .type) → ¬ is_fskey(sk0) ∧ ¬ sk0 .index < 0 ∧ ¬ st[r -- _length] .intval ≤ sk0 .index) ∧ fits(r1, sks + sk ' + sks1, st), sk = _type, sk = _length, r = jvmref

User applied rule all left

And obtained the following new goals

Rule argument

[EXRARG : pos: left 6, [extquanttermlist: (sks0 .rest) abort:F , discard:T , computed:F ]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (sks0 .rest)]]