5 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
527 | Everything exists which anyone perceives [Metrodorus of Chios] |
21227 | The Cogito demands a bridge to the world, and ends in isolating the ego [Velarde-Mayol] |
21215 | The representation may not be a likeness [Velarde-Mayol] |
21219 | Find the essence by varying an object, to see what remains invariable [Velarde-Mayol] |