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Proof step 34 from proof validref-ac (conclusion)

⊦ validref(str, r, ty, addclass(class, fis, st)) ↔ validref(str, r, ty, st)

User applied rule structural induction

And obtained the following new goals

Proof step 5:
⊦ validref(str, r, ty, addclass(class, [], st)) ↔ validref(str, r, ty, st)
Proof step 33:
∀ str, r, ty, class, st. validref(str, r, ty, addclass(class, fis0, st)) ↔ validref(str, r, ty, st) ⊦ validref(str, r, ty, addclass(class, fv + fis0, st)) ↔ validref(str, r, ty, st)

Rule argument

[VARWITHVARSEQSARG : fis, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : fieldinits generated by [], +;])]]