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Proof step 3 from proof same-subclasses-is-array (previous step)

is_array(str0, r, st), same-subclasses(st[r -- _type] .type .jtelemtype .class, str, str0) ∧ (∀ class0. contains(str0, mkclasstype(st[r -- _type] .type .jtelemtype .class), mkclasstype(class0)) → same-subclasses(class0, str, str0)) ⊦ is_array(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
same-subclasses(st[r -- _type] .type .jtelemtype .class, str, str0), is_array(str0, r, st), ∀ class0. contains(str0, mkclasstype(st[r -- _type] .type .jtelemtype .class), mkclasstype(class0)) → same-subclasses(class0, str, str0) ⊦ is_array(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]