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Proof step 47 from proof ex-fits-validrefs-stronger (previous step)

st[r -- _type] .type = mkclasstype(class), st[r -- sk] = refval(r0), # refs = # sks0, is_obj(str, r, st), fits(r0, sks0, st), validrefs(str, r0 ' + refs, st[r0 -- _type] .type, st), sk ∈ instfields(class), ∀ sks1. sks1 ⊑ sks0 ∧ sks1 ≠ [] → st[r0 -- sks1] .refval = (r0 ' + refs)[# sks1] ⊦ r = jvmref, junkref(str, r0, st), junkref(str, r, st), ∃ fs. fs ' ∈ instfields(class) ∧ is_referencevalue(st[r -- fs ']) ∧ r0 = st[r -- fs '] .refval ∧ validrefs(str, st[r -- fs '] .refval ' + refs, fs .type, st)

User applied rule exists right

And obtained the following new goals

Proof step 46:
st[r -- _type] .type = mkclasstype(class), st[r -- sk] = refval(r0), # refs = # sks0, is_obj(str, r, st), fits(r0, sks0, st), validrefs(str, r0 ' + refs, st[r0 -- _type] .type, st), sk ∈ instfields(class), ∀ sks1. sks1 ⊑ sks0 ∧ sks1 ≠ [] → st[r0 -- sks1] .refval = (r0 ' + refs)[# sks1] ⊦ r = jvmref, junkref(str, r0, st), junkref(str, r, st), sk .fs ' ∈ instfields(class) ∧ is_referencevalue(st[r -- sk .fs ']) ∧ r0 = st[r -- sk .fs '] .refval ∧ validrefs(str, st[r -- sk .fs '] .refval ' + refs, sk .fs .type, st)

Rule argument

[EXRARG : pos: right 4, [extquanttermlist: (sk .fs)abort:F, discard:T, computed:F]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (sk .fs)]]