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Proof step 34 from proof junkref-primarray-lvl (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 33:
st[refs .first -- _type] = typeval(mkarraytype(ty)), is_primtype(ty), junkrefs(str1, refs, mkarraytype(ty), st) ⊦ refs = [], junkrefs(str, refs, mkarraytype(ty), st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ typeval(ty) .type = ty])]]