5 ideas
14629 | If we are told the source of necessity, this seems to be a regress if the source is not already necessary [Blackburn] |
14529 | If something underlies a necessity, is that underlying thing necessary or contingent? [Blackburn, by Hale/Hoffmann,A] |
2614 | Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer] |
9379 | A sentence is obvious if it is true, and any speaker of the language will instantly agree to it [Quine] |
2615 | The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer] |