4 ideas
8942 | Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher] |
16756 | Substantial forms must exist, to explain the stability of metals like silver and tin [Albertus Magnus] |
16718 | Primary qualities are the cause of all the other sensible qualities [Albertus Magnus] |
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |