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Sentence Meaning / Frege: the idea is not the meaning of the sentence (but the content) - Different intentions do not change the meaning, but the sense of the sentence.
Newen / Schrenk I21
Sentence Meaning / Frege: truth value - for compositionality, substitutivity and principle of diversity (one of two sentences can be true the other can be wrong) - then truthmaker = circumstances - not meaning = content - ((s) truth-makers as a third instance). - Sentence meaning / Frege: content - sense of the word: way of givenness - sense of proper names / Frege: "the F".
Die Grundlagen der Arithmetik Stuttgart 1987
Funktion, Begriff, Bedeutung Göttingen 1994
Logische Untersuchungen Göttingen 1993