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Proof step 22 from proof pathex-addobj (previous step)

fis .keys = instfields(class), validFields(r, fis, addobj(r, class, fis, st)), newref(r, st), validref(str, r, mkclasstype(class), addobj(r, class, fis, st)), fs ' × refval(r0) ∈ fis, fs ' ∈ instfields(class), validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ r = jvmref, ∃ refs. refs ≠ [] ∧ refs .first = r ∧ refs .last = (r0 ' + refs0) .last ∧ validrefs(str, refs, mkclasstype(`java.lang.Object' .class), addobj(refs .first, class, fis, st))

User applied rule exists right

And obtained the following new goals

Proof step 21:
fis .keys = instfields(class), validFields(r, fis, addobj(r, class, fis, st)), newref(r, st), validref(str, r, mkclasstype(class), addobj(r, class, fis, st)), fs ' × refval(r0) ∈ fis, fs ' ∈ instfields(class), validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ r = jvmref, r + r0 + refs0 ≠ [] ∧ (r + r0 + refs0) .first = r ∧ (r + r0 + refs0) .last = (r0 ' + refs0) .last ∧ validrefs(str, r + r0 + refs0, mkclasstype(`java.lang.Object' .class), addobj((r + r0 + refs0) .first, class, fis, st))

Rule argument

[EXRARG : pos: right 2, [extquanttermlist: (r + r0 + refs0) abort:F , discard:T , computed:F ]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r + r0 + refs0)]]