4 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
23888 | Knowledge is beyond question, as an unavoidable component of thinking [Weil] |
22511 | Some reasonings are stronger than we are [Philolaus] |
23887 | Art (like philosophy) establishes a relation between world and self, and between oneself and others [Weil] |