4 ideas
6409 | The 'simple theory of types' distinguishes levels among properties [Ramsey, by Grayling] |
7803 | Modal logic began with translation difficulties for 'If...then' [Lewis,CI, by Girle] |
3212 | Beliefs are maps by which we steer [Ramsey] |
5994 | Is the cosmos open or closed, mechanical or teleological, alive or inanimate, and created or eternal? [Robinson,TM, by PG] |