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Proof step 8 from proof disjoint-def-fits (previous step)

st[r -- sks] = refval(r1), st[r0 -- sks0] = refval(r1), r0 ∈ refs, r ∈ refs, fits(r0, sks0, st), fits(r, sks, st), validreflist(str, mkjavavalues(refs), mkclasstype(`java.lang.Object' .class), st), junkref(str, r0, st), ∀ refs0, refs1. refs0 = [] ∨ refs1 = [] ∨ ¬ refs0 .first ∈ refs ∨ ¬ refs1 .first ∈ refs ∨ refs0 .first = refs1 .first ∨ refs0 .last ≠ refs1 .last ∨ refs0 .last = jvmref ∨ ¬ validrefs(str, refs0, st[refs0 .first -- _type] .type, st) ∨ ¬ validrefs(str, refs1, st[refs1 .first -- _type] .type, st) ⊦ r0 = r, r1 = jvmref

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: junkrefs instance-name: lemma-name: validreflist-def antecedent: succedent: validreflist(str, vals, ty, st) ↔ (∀ val. val ∈ vals → is_referencevalue(val) ∧ validref(str, val .refval, ty, st)) substlist: [st, ty, vals, str] → [st, mkclasstype(`java.lang.Object' .class), mkjavavalues(refs), str] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((0, 0, 6)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, mkclasstype(`java.lang.Object' .class), mkjavavalues(refs), str)]]