5 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
16698 | Days exist, and yet they seem to be made up of parts which don't exist [Burley] |
16690 | Unlike permanent things, successive things cannot exist all at once [Burley] |
16719 | The primary qualities are mixed to cause secondary qualities [Burley] |