A cap can be closed.Logical formLearned from4 sentences. Folds can be closed.Logical formLearned from4 sentences. Some consulates can be closed.Logical formLearned from4 sentences. A formula can be closed.Logical formLearned from4 sentences. Synagogues can be closed.Logical formLearned from4 sentences. Nuclear reactors may operate within closed systems.Logical formLearned from4 sentences. A majority of mosques can be closed.Logical formLearned from4 sentences. Some (coal mines) can be closed.Logical formLearned from4 sentences. A closed curve can be arbitrary.Logical formLearned from4 sentences. A base can be for closed sets.Logical formLearned from4 sentences. Wikis can be closed.Logical formLearned from4 sentences. An attraction can be closed.Logical formLearned from4 sentences. Disks can be closed.Logical formLearned from4 sentences. Closed subsets can be constituted-of-or-filled-with space.Logical formLearned from4 sentences. (Center gates) may remain closed.Logical formLearned from4 sentences.