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Proof step 16 from proof isobj-put-index-01 (previous step)

st[r -- _type] = typeval(mkclasstype(class)), r -- _type ∈ st, r ∈ st ⊦ r = jvmref, goodfieldsandtypes(r, instfields(class), st[r0 -- i ', val]) ↔ goodfieldsandtypes(r, instfields(class), st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ r ≠ r0 → (goodfieldsandtypes(r, sks, st[r0 -- sk0, val]) ↔ goodfieldsandtypes(r, sks, st))
Proof step 15:
¬ r ≠ r0, st[r -- _type] = typeval(mkclasstype(class)), r -- _type ∈ st, r ∈ st ⊦ r = jvmref, goodfieldsandtypes(r, instfields(class), st[r0 -- i ', val]) ↔ goodfieldsandtypes(r, instfields(class), st)

Rule argument

[speclemmaarg: , r ≠ r0 → ( goodfieldsandtypes(r, sks, st[r0 -- sk0, val]) ↔ goodfieldsandtypes(r, sks, st)) ,[val, sk0, r0, st, sks, r] → [val, i ', r0, st, instfields(class), r] ,F ,okfuns , ,gfts-put ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (val, i ', r0, st, instfields(class), r)]]