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Proof step 34 from proof junkrefs-primarray (previous step)

is_primtype(ty), okarray(r, ty, st), r ∈ st, ¬ (is_obj(str, r, st) ∨ is_array(str, r, st)) ∨ ¬ st[r -- _type] .type ≤ mkarraytype(ty) ⊦ r = jvmref

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 33:
is_primtype(ty), okarray(r, ty, st), r ∈ st, ¬ is_array(str, r, st) ∨ ¬ st[r -- _type] .type ≤ mkarraytype(ty) ⊦ r = jvmref

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ st[r -- _type] .type ≤ mkarraytype(ty) → ¬ is_obj(str, r, st)])]]