7 ideas
11074 | 'It is true that this follows' means simply: this follows [Wittgenstein] |
18253 | I wish to go straight from cardinals to reals (as ratios), leaving out the rationals [Frege] |
18166 | The loss of my Rule V seems to make foundations for arithmetic impossible [Frege] |
11073 | Two and one making three has the necessity of logical inference [Wittgenstein] |
18269 | Logical objects are extensions of concepts, or ranges of values of functions [Frege] |
579 | Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle] |
578 | Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle] |