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Proof step 15 from proof junkref-update (previous step)

junkref(str, r, update(r0, fis, st)) ⊦ path∃(str, r, r0, st), _type ∈ fis, junkref(str, r, st)

User applied rule structural induction

And obtained the following new goals

Proof step 14:
∀ str, r, r0, st. junkref(str, r, update(r0, fis0, st)) → path∃(str, r, r0, st) ∨ _type ∈ fis0 ∨ junkref(str, r, st), junkref(str, r, update(r0, fv + fis0, st)) ⊦ path∃(str, r, r0, st), _type ∈ fv + fis0, junkref(str, r, st)

Rule argument

[VARWITHVARSEQSARG : fis, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : fieldinits generated by [], +;], [CSIMPSEQ : ⊦ update(r, [], st) = st], [CSIMPSEQ : ⊦ ¬ sk ∈ []])]]