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Proof step 5 from proof junkref-addarray-04 (previous step)

is_reftype(ty), type∃(str, ty), newref(r, st), validreflist(str, vals, ty, st), junkref(str, r, addarray(r, ty, vals, st)), val ∈ vals ⊦ r = jvmref, ty .jtelemtype = abstract_type, ty .jtelemtype = void_type, is_array(str, r, addarray(r, ty, vals, st)), is_referencevalue(val)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ validreflist(str, vals, ty, st) ↔ (∀ val. val ∈ vals → is_referencevalue(val) ∧ validref(str, val .refval, ty, st))
Proof step 4:
is_reftype(ty), type∃(str, ty), newref(r, st), ∀ val. val ∈ vals → is_referencevalue(val) ∧ validref(str, val .refval, ty, st), junkref(str, r, addarray(r, ty, vals, st)), val ∈ vals ⊦ r = jvmref, ty .jtelemtype = abstract_type, ty .jtelemtype = void_type, is_array(str, r, addarray(r, ty, vals, st)), is_referencevalue(val)

Rule argument

[crewrite-arg: validreflist-def , F , [st, ty, vals, str] → [st, ty, vals, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, ty, vals, str)]]