Thinkers can be abstract.Logical formLearned from44 sentences. A schema can be abstract.Logical formLearned from43 sentences. Meanings can be abstract.Logical formLearned from43 sentences. A (data model) can be abstract.Logical formLearned from42 sentences. A theme can be abstract.Logical formLearned from42 sentences. A name can be abstract.Logical formLearned from41 sentences. A drawing can be abstract.Logical formLearned from41 sentences. A model can be abstract.Logical formLearned from41 sentences. A being can be abstract.Logical formLearned from40 sentences. Polytopes can be abstract.Logical formLearned from40 sentences. A labor can be abstract.Logical formLearned from40 sentences. Photographs can be abstract.Logical formLearned from40 sentences. An invention can be abstract.Logical formLearned from40 sentences. A painter can be abstract.Logical formLearned from39 sentences. An apparatus can be abstract.Logical formLearned from39 sentences.