(Reasoning skills) can be abstract.Logical formLearned from34 sentences. A deadline can be for abstract submission.Logical formLearned from34 sentences. A concern can be abstract.Logical formLearned from34 sentences. Constructs can be abstract.Logical formLearned from34 sentences. (Oil paintings) can be abstract.Logical formLearned from34 sentences. A talk can be abstract.Logical formLearned from34 sentences. Approaches can be abstract.Logical formLearned from33 sentences. Constructions can be abstract.Logical formLearned from33 sentences. A development can be abstract.Logical formLearned from33 sentences. Others can be abstract.Logical formLearned from33 sentences. A notation can be abstract.Logical formLearned from33 sentences. Parts can be abstract.Logical formLearned from33 sentences. Parameters can be abstract.Logical formLearned from33 sentences. Authors can be abstract.Logical formLearned from33 sentences. Formulations can be abstract.Logical formLearned from33 sentences.