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Proof step 14 from proof junkref-primarray-lvl (previous step)

st[r -- _type] = typeval(mkarraytype(ty)), is_primtype(ty), junkrefs(str, r ' + refs0, mkarraytype(ty), st) ⊦ junkrefs(str1, r ' + refs0, mkarraytype(ty), st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty) → junkrefs(str, r ' + refs, ty, st)
Proof step 13:
¬ (r ≠ jvmref ∧ (¬ is_valid_ref(str1, r, st) ∨ ¬ st[r -- _type] .type ≤ mkarraytype(ty))), st[r -- _type] = typeval(mkarraytype(ty)), is_primtype(ty), junkrefs(str, r ' + refs0, mkarraytype(ty), st) ⊦ junkrefs(str1, r ' + refs0, mkarraytype(ty), st)

Rule argument

[crewrite-arg: junkrefs-is-junk , F , [st, ty, refs, r, str] → [st, mkarraytype(ty), refs0, r, str1] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, mkarraytype(ty), refs0, r, str1)]]