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Proof step 16 from proof fits-put-stronger (previous step)

st[r -- sk] = refval(r0), st[r -- _type] .type = mkclasstype(class), junkref(str, r0, st), i ' ∈ sks0, sk ∈ instfields(class), fits(r0, sks0, st), r1 ∈ st, okarray(r1, byte_type, st), is_obj(str, r, st) ⊦ (st[r1 -- i ', byteval(by)][r0 -- sks0]) = st[r0 -- sks0], sks0 = [], r1 = jvmref, r = r1, r = jvmref, ∃ fs. fs ' ∈ instfields(class) ∧ is_referencevalue(st[r -- fs ']) ∧ st[r -- fs '] .refval ≠ jvmref ∧ (¬ st[st[r -- fs '] .refval -- _type] .type ≤ fs .type ∨ junkref(str, st[r -- fs '] .refval, st))

User applied rule exists right

And obtained the following new goals

Proof step 15:
st[r -- sk] = refval(r0), st[r -- _type] .type = mkclasstype(class), junkref(str, r0, st), i ' ∈ sks0, sk ∈ instfields(class), fits(r0, sks0, st), r1 ∈ st, okarray(r1, byte_type, st), is_obj(str, r, st) ⊦ (st[r1 -- i ', byteval(by)][r0 -- sks0]) = st[r0 -- sks0], sks0 = [], r1 = jvmref, r = r1, r = jvmref, sk .fs ' ∈ instfields(class) ∧ is_referencevalue(st[r -- sk .fs ']) ∧ st[r -- sk .fs '] .refval ≠ jvmref ∧ (¬ st[st[r -- sk .fs '] .refval -- _type] .type ≤ sk .fs .type ∨ junkref(str, st[r -- sk .fs '] .refval, st))

Rule argument

[EXRARG : pos: right 6, [extquanttermlist: (sk .fs)abort:F, discard:T, computed:F]]

Additional information

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