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Proof step 13 from proof add-in-02 (conclusion)

⊦ r ∈ addobj(r0, class1, fis, st) ↔ r = r0 ∨ r ∈ st

User applied rule structural induction

And obtained the following new goals

Proof step 1:
⊦ addobj(r, class1, [], st) = st[r -- _type, typeval(mkclasstype(class1))]
Proof step 12:
∀ r, r0, class1, st. r ∈ addobj(r0, class1, fis0, st) ↔ r = r0 ∨ r ∈ st ⊦ r ∈ addobj(r0, class1, fv + fis0, st) ↔ r = r0 ∨ r ∈ st

Rule argument

[VARWITHFMAVARSARG : fis, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : fieldinits generated by [], +;], [CSIMPSEQ : ⊦ r ∈ st[r0 -- sk, val] ↔ r = r0 ∨ r ∈ st])]]