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Proof step 24 from proof putbar-classfield-onlymod (previous step)

st[r -- _type] .type = mkclasstype(class), st[r -- fs '] = refval(r1), okbytearray(r1, st), fs ' ∈ instfields(class), is_obj(str, r, st) ⊦ st[r1 -- sk0] = (putByteArray(bytes, r1, st)[r1 -- sk0]), r = r1, r = jvmref, junkref(str, r, st), validrefs(str, r ' + r1 ', mkclasstype(class), st), ∃ refs. refs ≠ [] ∧ refs .first = r ∧ refs .last = r1 ∧ validrefs(str, refs, st[refs .first -- _type] .type, st)

User applied rule exists right

And obtained the following new goals

Proof step 23:
st[r -- _type] .type = mkclasstype(class), st[r -- fs '] = refval(r1), okbytearray(r1, st), fs ' ∈ instfields(class), is_obj(str, r, st) ⊦ st[r1 -- sk0] = (putByteArray(bytes, r1, st)[r1 -- sk0]), r = r1, r = jvmref, junkref(str, r, st), validrefs(str, r ' + r1 ', mkclasstype(class), st), r + r1 ≠ [] ∧ (r + r1) .first = r ∧ (r + r1) .last = r1 ∧ validrefs(str, r + r1, st[(r + r1) .first -- _type] .type, st)

Rule argument

[EXRARG : pos: right 6, [extquanttermlist: (r + r1)abort:F, discard:T, computed:F]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r + r1)]]