Quote by Frege, Gottlob
"A proposition asserts what is the case, not what we wish to be the case."
"A proposition asserts what is the case, not what we wish to be the case."
"A thought is a proposition which we apprehend."
"The word 'number' is surely not without a sense; but when we have the sentence 'the number of roots of this equation is four', it seems very difficult to give the meaning of the word 'number' here."
"Functions are concepts; concepts are functions."
"The content of a thought may have different kinds of parts."