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Proof step 19 from proof del-addobj (previous step)

newref(r, st) ⊦ r = jvmref, (rk ∈ addobj(r, class, fis, st) -- r ↔ rk ∈ st) ∧ (addobj(r, class, fis, st) -- r)[rk] = st[rk]

User applied rule structural induction

And obtained the following new goals

Proof step 18:
newref(r, st) ⊦ r = jvmref, (r0 -- sk ∈ addobj(r, class, fis, st) -- r ↔ r0 -- sk ∈ st) ∧ (addobj(r, class, fis, st) -- r)[r0 -- sk] = st[r0 -- sk]

Rule argument

[VARWITHVARSEQSARG : rk, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : refkey generated by --;])]]