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Proof step 42 from proof pathex-class (previous step)

refs .first = st[r -- fs '] .refval, is_obj(str, r, st), is_referencevalue(st[r -- fs ']), fs ' ∈ instfields(st[r -- _type] .type .class), st[refs .first -- _type] .type ≤ fs .type, validrefs(str, refs, st[refs .first -- _type] .type, st) ⊦ r = refs .last, refs .first = jvmref, refs = [], ∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- fs ']) ∧ refs .first = st[r -- fs '] .refval ∧ validrefs(str, refs, fs .type, st)

User applied rule exists right

And obtained the following new goals

Proof step 41:
refs .first = st[r -- fs '] .refval, is_obj(str, r, st), is_referencevalue(st[r -- fs ']), fs ' ∈ instfields(st[r -- _type] .type .class), st[refs .first -- _type] .type ≤ fs .type, validrefs(str, refs, st[refs .first -- _type] .type, st) ⊦ r = refs .last, refs .first = jvmref, refs = [], fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- fs ']) ∧ refs .first = st[r -- fs '] .refval ∧ validrefs(str, refs, fs .type, st)

Rule argument

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

Additional information

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