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Proof step 5 from proof mkvalues-butlast (previous step)

mkjavavalues(bytes0) .butlast = mkjavavalues(bytes0 .butlast) ⊦ bytes0 = [], (byteval(by) ' + mkjavavalues(bytes0)) .butlast = byteval(by) ' + mkjavavalues(bytes0 .butlast)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ vals ≠ [] → (val ' + vals) .butlast = val ' + vals .butlast
Proof step 4:
⊦ mkjavavalues(bytes) = [] ↔ bytes = []

Rule argument

[speclemmaarg: ,vals ≠ [] → (val ' + vals) .butlast = val ' + vals .butlast ,[vals, val] → [mkjavavalues(bytes0), byteval(by)] ,F ,list-last ,javavalues ,bc ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ vals + vals0 = vals + vals1 ↔ vals0 = vals1], [CSIMPSEQ : ⊦ (vals + vals0) + vals1 = vals + vals0 + vals1])], [EXTRATERMS : (mkjavavalues(bytes0), byteval(by))]]