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Proof step 9 from proof junkrefs-levelsubset (previous step)

st[r -- mkfs(class, ty1, fieldvar) '] = refval(r0), mkfs(class, ty1, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), is_obj(str0, r, st), st[r -- _type] .type ≤ ty, level⊆(str, str0), junkrefs(str0, r0 ' + refs, ty1, st), ∀ str1, str2, ty0, st0. level⊆(str1, str2) ∧ junkrefs(str2, r0 ' + refs, ty0, st0) → junkrefs(str1, r0 ' + refs, ty0, st0) ⊦ r = jvmref, junkrefs(str, r0 ' + refs, ty1, st)

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 8, [QUANTTERMLIST : (str, str0, ty1, st)]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, str0, ty1, st)]]