display all the ideas for this combination of philosophers
3 ideas
13288 | Consequence is truth-preserving, either despite substitutions, or in all interpretations [Koslicki] |
14506 | 'Roses are red; therefore, roses are colored' seems truth-preserving, but not valid in a system [Koslicki] |
18946 | Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer] |