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Proof step 5 from proof same-subclasses-is-array (conclusion)

⊦ ¬ is_array(str, r, st) ∧ is_array(str0, r, st) → ¬ same-subclasses-contains(st[r -- _type] .type .jtelemtype .class, str, str0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
is_array(str0, r, st), same-subclasses-contains(st[r -- _type] .type .jtelemtype .class, str, str0) ⊦ is_array(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]