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Proof step 12 from proof same-subclasses-subclass (previous step)

tdname+∃(str0, class), class0 ≤ class, same-subclasses(class, str, str0) ∧ (∀ class0. contains(str0, mkclasstype(class), mkclasstype(class0)) → same-subclasses(class0, str, str0)) ⊦ same-subclasses(class0, str, str0) ∧ (contains(str0, mkclasstype(class0), mkclasstype(class1)) → same-subclasses(class1, str, str0))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 11:
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) ∧ (contains(str0, mkclasstype(class0), mkclasstype(class1)) → same-subclasses(class1, str, str0))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]