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Proof step 8 from proof contains-subex (previous step)

contains(str0, ty, mkarraytype(ty1)) → contains(str0, ty, mkarraytype(ty1) .jtelemtype), ty1 .jtelemtype = mkclasstype(class), contains(str0, ty, mkarraytype(ty1)), ∀ class1. contains(str0, ty, mkclasstype(class1)) → tdname+∃(str, class1) ⊦ tdname+∃(str, class)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
ty1 .jtelemtype = mkclasstype(class), contains(str0, ty, mkarraytype(ty1)), contains(str0, ty, mkclasstype(class)), ∀ class1. contains(str0, ty, mkclasstype(class1)) → tdname+∃(str, class1) ⊦ tdname+∃(str, class)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkarraytype(ty) .jtelemtype = ty .jtelemtype])]]