5 ideas
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] |
18269 | Logical objects are extensions of concepts, or ranges of values of functions [Frege] |
13082 | The complete concept of an individual includes contingent properties, as well as necessary ones [Leibniz] |
1558 | Clearly the gods ignore human affairs, or they would have given us justice [Thrasymachus] |