4 ideas
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
18948 | There is an object for every set of properties (some of which exist, and others don't) [Parsons,T, by Sawyer] |
23304 | The ancient Memorists said virtually all types of thinking could be done simply by memory [Sorabji] |
23303 | Stoics say true memory needs reflection and assent, but animals only have perceptual recognition [Sorabji] |