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Proof step 66 from proof fits-put-04 (previous step)

fits(r, sks, st), is_bytevalue(st[r1 -- fs ']), is_referencevalue(st[r -- sks]) ⊦ junkref(str, r, st), fits(r, sks, st[r1 -- fs ', byteval(by)])

User applied rule structural induction

And obtained the following new goals

Proof step 1:
⊦ fits(r, [], st)
Proof step 65:
∀ r, st, r1, fs, str, by. fits(r, sks0, st) ∧ is_bytevalue(st[r1 -- fs ']) ∧ is_referencevalue(st[r -- sks0]) → junkref(str, r, st) ∨ fits(r, sks0, st[r1 -- fs ', byteval(by)]), fits(r, sk + sks0, st), is_bytevalue(st[r1 -- fs ']), is_referencevalue(st[r -- (sk + sks0)]) ⊦ junkref(str, r, st), fits(r, sk + sks0, st[r1 -- fs ', byteval(by)])

Rule argument

[VARWITHVARSEQSARG : sks, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : storekeys generated by [], +;], [CSIMPSEQ : ⊦ st[r -- []] = refval(r)], [CSIMPSEQ : ⊦ is_referencevalue(refval(r))])]]