Abstract

Frege continues by explaining what bothered him in the Begriffsschrift, and motivated his treatment of identity in that work.2 He goes on to criticize that account. By the end of the paragraph, he has introduced his key concept of sinn, abandonning not only the Begriffsschrift account of identity, but its basical semantical framework. In the Begriffsschrift Frege’s main semantic concept was content [Inhalt ]. Already in the Begriffsschrift, he is struggling with this concept. In §3 he..