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Proof step 9 from proof same-subclasses-subclass (previous step)

same-subclasses(class, str, str0), class0 ≤ class, tdname+∃(str0, class), ∀ class0. contains(str0, mkclasstype(class), mkclasstype(class0)) → same-subclasses(class0, str, str0) ⊦ same-subclasses(class0, str, str0)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 8:
⊦ same-subclasses(class, str, str0) ∧ class0 ≤ class → same-subclasses(class0, str, str0)

Rule argument

[speclemmaarg: , same-subclasses(class, str, str0) ∧ class0 ≤ class → same-subclasses(class0, str, str0) ,[class, str, str0, class0] → [class, str, str0, class0] ,F ,junkrefs , ,same-subclasses-subclass ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (class, str, str0, class0)]]