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Proof step 71 from proof contains-subspec (previous step)

same-subclasses-contains(ty .jtelemtype .class, str, str0), level⊆(str0, str), contains(str0, ty, ty0) ⊦ has_classtype(ty), contains(str, ty, ty0)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 70:
⊦ ¬ has_classtype(ty) ∧ contains(str, ty, ty0) → contains(str0, ty, ty0)

Rule argument

[crewrite-arg: contains-not-hasclasstype-level-01 , F , [ty, str, ty0, str0] → [ty, str0, ty0, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (ty, str0, ty0, str)]]