6 ideas
10882 | Predicative definitions only refer to entities outside the defined collection [Horsten] |
10884 | A theory is 'categorical' if it has just one model up to isomorphism [Horsten] |
10885 | Computer proofs don't provide explanations [Horsten] |
10881 | The concept of 'ordinal number' is set-theoretic, not arithmetical [Horsten] |
8628 | I hold that algebra and number are developments of logic [Jevons] |
16726 | Why can't we deduce secondary qualities from primary ones, if they cause them? [Buridan] |