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Proof step 14 from proof del-put-switch (previous step)

⊦ r = r1, ∅[r1 -- sk0] = (st -- r1)[r1 -- sk0]

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 12:
⊦ ¬ rk ∈ st → st[rk] = ∅[rk]
Proof step 13:
⊦ r -- sk ∈ st -- r0 ↔ r ≠ r0 ∧ r -- sk ∈ st

Rule argument

[speclemmaarg: ,¬ rk ∈ st → st[rk] = ∅[rk] ,[rk, st] → [r1 -- sk0, st -- r1] ,F ,store ,javastore ,notmemlookup ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r1 -- sk0, st -- r1)]]