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Proof step 12 from proof same-subclasses-is-array (previous step)

class∃(str0, st[r -- _type] .type .jtelemtype .class) ∨ interface∃(str0, st[r -- _type] .type .jtelemtype .class), has_classtype(st[r -- _type] .type), is_array(r, st), ∀ class0. class∃(str0, class0) ∧ class0 ≤ st[r -- _type] .type .jtelemtype .class → class∃(str, class0), ∀ class0. interface∃(str0, class0) ∧ class0 ≤ st[r -- _type] .type .jtelemtype .class → interface∃(str, class0) ⊦ st[r -- _type] .type .jtelemtype = abstract_type, st[r -- _type] .type .jtelemtype = void_type, is_predefined_class(st[r -- _type] .type .jtelemtype .class), interface∃(str, st[r -- _type] .type .jtelemtype .class), class∃(str, st[r -- _type] .type .jtelemtype .class)

User applied rule case distinction

And obtained the following new goals

Rule argument

[CASEDARG : pos: left 1, ()]

Additional information

[[CONCRETESIMPRULES : ()]]