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Formalism/Substitute/Sign/Symbol/WittgensteinVsFrege: Frege: characters are either mere blackening or sign of something. - Then this is what they represent, their meaning. - Wittgenstein: false alternative. - E.g. Pieces: represented nothing. - Solution: use like in the game instead of representation of something. - ((s) use is more than mere blackening and less than representation of an object - Wittgenstein: Formalism is not entirely unjustified.
Vorlesungen 1930-35 Frankfurt 1989
Das Blaue Buch - Eine Philosophische Betrachtung Frankfurt 1984
Tractatus Logico Philosophicus Frankfurt/M 1960