5 ideas
8942 | Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher] |
16635 | Incorporeal substances are powers or forces [Descartes, by Pasnau] |
8840 | There are five possible responses to the problem of infinite regress in justification [Cleve] |
8841 | Modern foundationalists say basic beliefs are fallible, and coherence is relevant [Cleve] |
16684 | Impenetrability only belongs to the essence of extension [Descartes] |