5 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
12468 | A state of affairs is only possible if there has been an actual substance to initiate it [Pruss] |
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] |