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Proof step 2 from proof same-subclasses-contains-tdnameex-01 (previous step)

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

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 3, [QUANTTERMLIST : (class)]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ tdname∃(str0, class) ∧ ¬ tdname∃(str, class) → ¬ same-subclasses (class, str, str0)])], [EXTRATERMS : (class)]]