12 ideas
| 8594 | People have had good reasons for thinking that the circle has been squared [Shoemaker] |
| 18086 | Weierstrass eliminated talk of infinitesimals [Weierstrass, by Kitcher] |
| 18092 | Weierstrass made limits central, but the existence of limits still needed to be proved [Weierstrass, by Bostock] |
| 8596 | Inability to measure equality doesn't make all lengths unequal [Shoemaker] |
| 8597 | We couldn't verify the earth's rotation if everyone simultaneously fell asleep [Shoemaker] |
| 8593 | Maybe billions of changeless years have elapsed since my last meal [Shoemaker] |
| 21093 | Friendship without community spirit misses out on the main part of virtue [Hume] |
| 21091 | It would be absurd if even a free constitution did not impose restraints, for the public good [Hume] |
| 21092 | Nobility either share in the power of the whole, or they compose the power of the whole [Hume] |
| 8598 | If things turn red for an hour and then explode, we wouldn't say the redness was the cause [Shoemaker] |
| 4226 | If three regions 'freeze' every three, four and five years, after sixty years everything stops for a year [Shoemaker, by Lowe] |
| 8595 | If three regions freeze every 3rd, 4th and 5th year, they all freeze together every 60 years [Shoemaker] |