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Proof step 7 from proof update-at (previous step)

⊦ r = r0, (update(r0, fis, st)[r -- sk]) = st[r -- sk]

User applied rule structural induction

And obtained the following new goals

Proof step 1:
⊦ update(r, [], st) = st
Proof step 6:
∀ r, r0, st, sk. r = r0 ∨ (update(r0, fis0, st)[r -- sk]) = st[r -- sk] ⊦ r = r0, (update(r0, fv + fis0, st)[r -- sk]) = st[r -- sk]

Rule argument

[VARWITHVARSEQSARG : fis, ()]

Additional information

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