An expression may have a meaning.Logical formLearned from6 sentences. A syntax can be for expressions.Logical formLearned from6 sentences. An expression can be absent.Logical formLearned from6 sentences. Expressions can be analogous.Logical formLearned from6 sentences. Some genes can be with expression.Logical formLearned from6 sentences. An (array expression) can be logical.Logical formLearned from6 sentences. Expressions may undergo an analysis.Logical formLearned from6 sentences. Expression may undergo an extension.Logical formLearned from6 sentences. A (hangdog expression) can be on a face.Logical formLearned from6 sentences. An expression can be lowered.Logical formLearned from6 sentences. Autoantibodies may undergo an expression.Logical formLearned from6 sentences. An expression may call a macro.Logical formLearned from6 sentences. An expression can be in the world.Logical formLearned from6 sentences. Regular expressions can be with whitespace.Logical formLearned from6 sentences. A car of a list can be a regular expression.Logical formLearned from6 sentences.