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Proof step 37 from proof validref-primarray (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 36:
r ∈ st, okarray(r, ty, st), is_primtype(ty) ⊦ r = jvmref, st[r -- _type] .type ≤ mkarraytype(ty) ∧ ¬ junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]