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Proof step 15 from proof isobj-put-index-01 (previous step)

¬ 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)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 14:
st[r0 -- _type] = typeval(mkclasstype(class)), r0 -- _type ∈ st, r0 ∈ st ⊦ r0 = jvmref, goodfieldsandtypes(r0, instfields(class), st[r0 -- i ', val]) ↔ goodfieldsandtypes(r0, instfields(class), st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ r -- sk ∈ st → r ∈ st])]]