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Proof step 16 from proof junkref-primarray-lvl (previous step)

st[refs .first -- _type] = typeval(mkarraytype(ty)), is_primtype(ty), junkrefs(str, refs, mkarraytype(ty), st) ⊦ refs = [], junkrefs(str1, refs, mkarraytype(ty), st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 15:
refs = r + refs0, st[r -- _type] = typeval(mkarraytype(ty)), is_primtype(ty), junkrefs(str, refs, mkarraytype(ty), st) ⊦ refs = [], junkrefs(str1, refs, mkarraytype(ty), st)

Rule argument

[speclemmaarg: refs ≠ [] ,r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0 ,[refs, r, refs0] → [refs, r, refs0] ,T ,list-data ,references-olista ,elim-list-c ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : refs ≠ [] ⊦ r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0])], [EXTRATERMS : (refs, r, refs0)]]