display all the ideas for this combination of texts
4 ideas
19237 | Deduction is true when the premises facts necessarily make the conclusion fact true [Peirce] |
19256 | Our research always hopes that reality embodies the logic we are employing [Peirce] |
2544 | Thoughts have a dual aspect: as they seem to introspection, and their underlying logical reality [McGinn] |
19238 | The logic of relatives relies on objects built of any relations (rather than on classes) [Peirce] |