display all the ideas for this combination of philosophers
4 ideas
| 5405 | The law of contradiction is not a 'law of thought', but a belief about things [Russell] |
| 5396 | Three Laws of Thought: identity, contradiction, and excluded middle [Russell] |
| 17632 | Non-contradiction was learned from instances, and then found to be indubitable [Russell] |
| 6106 | Reducing entities and premisses makes error less likely [Russell] |