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Proof step 6 from proof validsubset-addobj-01 (previous step)

fis .keys = instfields(class), newref(r, st), class∃(str, class), validfieldinits(fis, st) ⊦ r = jvmref, valid⊆(str, st, addobj(r, class, fis, st)), is_abstract(class), refval(r0) ∈ fis .vals ∧ junkref(str, r0, st), class+∃(str, class) ∧ (sk × refval(r0) ∈ fis → ¬ junkref(str, r0, st))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ val ∈ fis .vals ↔ (∃ sk. sk × val ∈ fis)
Proof step 5:
fis .keys = instfields(class), newref(r, st), class∃(str, class), validfieldinits(fis, st) ⊦ r = jvmref, valid⊆(str, st, addobj(r, class, fis, st)), is_abstract(class), (∃ sk. sk × refval(r0) ∈ fis) ∧ junkref(str, r0, st), class+∃(str, class) ∧ (sk × refval(r0) ∈ fis → ¬ junkref(str, r0, st))

Rule argument

[speclemmaarg: ,val ∈ fis .vals ↔ (∃ sk. sk × val ∈ fis) ,[fis, val] → [fis, refval(r0)] ,F ,okfuns , ,vals-in ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (fis, refval(r0))]]