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Proof step 7 from proof validref-put-array-refval-02 (conclusion)

⊦ validref(str, r, ty0, st) ∧ validref(str, val .refval, st[r0 -- _type] .type .type, st) ∧ is_referencevalue(val) ∧ r0 ≠ jvmref ∧ is_arraytype(st[r0 -- _type] .type) ∧ (val .refval = jvmref → is_reftype(st[r0 -- _type] .type .type)) → validref(str, r, ty0, st[r0 -- i ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
is_arraytype(st[r0 -- _type] .type), is_referencevalue(val), validref(str, val .refval, st[r0 -- _type] .type .type, st), validref(str, r, ty0, st), val .refval = jvmref → is_reftype(st[r0 -- _type] .type .type) ⊦ r0 = jvmref, validref(str, r, ty0, st[r0 -- i ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]