4 ideas
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |
17722 | The concept 'red' is tied to what actually individuates red things [Peacocke] |
23873 | Dividing history books into separate chapters is disastrous [Weil] |