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Proof step 8 from proof validref-put-badarrayindex (previous step)

r = jvmref ∨ st[r -- _type] .type ≤ ty ∧ ¬ junkref(str, r, st) ⊦ is_array(str, r0, st), validref(str, r, ty, st[r0 -- i ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ validref(str, jvmref, ty, st)
Proof step 7:
st[r -- _type] .type ≤ ty ⊦ r = jvmref, is_array(str, r0, st), validref(str, r, ty, st[r0 -- i ', val]), junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]