Classifiers can be abstract.Logical formLearned from2 sentences. A (data type onboard) can be abstract.Logical formLearned from2 sentences. Abstract interfaces can be from a mapping.Logical formLearned from2 sentences. A (system behavior) can be abstract.Logical formLearned from2 sentences. A (valuetype mofstate) can be abstract.Logical formLearned from2 sentences. Components may support abstract interfaces.Logical formLearned from2 sentences. A role can be in an abstract syntax of interactions.Logical formLearned from2 sentences. A (demand unit) can be abstract.Logical formLearned from2 sentences. Classes can be for abstract interfaces.Logical formLearned from2 sentences. (Syntax figures) can be abstract.Logical formLearned from2 sentences. (Package diagrams) can be abstract.Logical formLearned from2 sentences. A (syntax constraint ocl) can be abstract.Logical formLearned from2 sentences. Mankind may form a kind of abstract thoughts.Logical formLearned from2 sentences. Computers may do abstract thinking.Logical formLearned from2 sentences. Normative principles can be abstract.Logical formLearned from2 sentences.