5 ideas
18946 | Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer] |
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
11966 | If there are essential properties, how do you find out what they are? [Chisholm] |
11965 | Could possible Adam gradually transform into Noah, and vice versa? [Chisholm] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |