19 ideas
| 6118 | Philosophy is logical analysis, followed by synthesis [Russell] |
| 6116 | A logical language would show up the fallacy of inferring reality from ordinary language [Russell] |
| 6117 | Philosophy should be built on science, to reduce error [Russell] |
| 15943 | Limitation of Size is not self-evident, and seems too strong [Lavine on Neumann] |
| 6110 | Subject-predicate logic (and substance-attribute metaphysics) arise from Aryan languages [Russell] |
| 6107 | It is logic, not metaphysics, that is fundamental to philosophy [Russell] |
| 6115 | Vagueness, and simples being beyond experience, are obstacles to a logical language [Russell] |
| 6109 | Some axioms may only become accepted when they lead to obvious conclusions [Russell] |
| 13672 | All the axioms for mathematics presuppose set theory [Neumann] |
| 6108 | Maths can be deduced from logical axioms and the logic of relations [Russell] |
| 19400 | Possibles demand existence, so as many of them as possible must actually exist [Leibniz] |
| 19401 | God's sufficient reason for choosing reality is in the fitness or perfection of possibilities [Leibniz] |
| 10968 | Russell gave up logical atomism because of negative, general and belief propositions [Russell, by Read] |
| 6113 | To mean facts we assert them; to mean simples we name them [Russell] |
| 6114 | 'Simples' are not experienced, but are inferred at the limits of analysis [Russell] |
| 21722 | Better to construct from what is known, than to infer what is unknown [Russell] |
| 6111 | As propositions can be put in subject-predicate form, we wrongly infer that facts have substance-quality form [Russell] |
| 19402 | The actual universe is the richest composite of what is possible [Leibniz] |
| 6112 | Meaning takes many different forms, depending on different logical types [Russell] |