9 ideas
18758 | Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee] |
15148 | Powers give explanations, without being necessary for some class membership [Chakravartty] |
15145 | A kind essence is the necessary and sufficient properties for membership of a class [Chakravartty] |
15147 | Cluster kinds are explained simply by sharing some properties, not by an 'essence' [Chakravartty] |
15144 | Explanation of causal phenomena concerns essential kinds - but also lack of them [Chakravartty] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
15146 | Some kinds, such as electrons, have essences, but 'cluster kinds' do not [Chakravartty] |
15151 | Many causal laws do not refer to kinds, but only to properties [Chakravartty] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |