3 ideas
7822 | A neo-Stoic movement began in the late sixteenth century [Lipsius, by Grayling] |
8942 | Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher] |
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |