11 ideas
5831 | The new view is that "water" is a name, and has no definition [Schwartz,SP] |
16489 | Is it possible to state every possible truth about the whole course of nature without using 'not'? [Russell] |
13501 | De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [De Morgan, by Hart,WD] |
17744 | De Morgan started the study of relations and their properties [De Morgan, by Walicki] |
5829 | We refer to Thales successfully by name, even if all descriptions of him are false [Schwartz,SP] |
5830 | The traditional theory of names says some of the descriptions must be correct [Schwartz,SP] |
16490 | Some facts about experience feel like logical necessities [Russell] |
16488 | It is hard to explain how a sentence like 'it is not raining' can be found true by observation [Russell] |
5826 | The intension of "lemon" is the conjunction of properties associated with it [Schwartz,SP] |
16491 | If we define 'this is not blue' as disbelief in 'this is blue', we eliminate 'not' as an ingredient of facts [Russell] |
4786 | Russell's 'at-at' theory says motion is to be at the intervening points at the intervening instants [Russell, by Psillos] |