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Full Idea
Russell took a Platonist view of logic, but reading the 'Tractatus' convinced him that logic was purely linguistic, so-called 'logical truths' being nothing more than tautologies.
Clarification
The 'Tractatus' is by Wittgenstein
Gist of Idea
Wittgenstein convinced Russell that logic is tautologies, not Platonic forms
Source
report of Ludwig Wittgenstein (Tractatus Logico-Philosophicus [1921]) by Ray Monk - Bertrand Russell: Spirit of Solitude Ch.1
Book Ref
Monk,Ray: 'Bertrand Russell: Spirit of Solitude' [Vintage 1997], p.6
A Reaction
If p-and-q and p-or-q are both tautologies, how do you explain the difference between them? The first is an indicative proposition about the actual world, but the second is modal. They are asserting very different things.
| 13473 | Frege thinks there is an independent logical order of the truths, which we must try to discover [Frege, by Hart,WD] |
| 15571 | The idea of an atemporal realm of validity is as implausible as medieval theology [Heidegger] |
| 7537 | Wittgenstein convinced Russell that logic is tautologies, not Platonic forms [Wittgenstein, by Monk] |
| 7682 | Logic is not just about signs, because it relates to states of affairs, objects, properties and truth-values [Jacquette] |
| 8950 | Logic formalizes how we should reason, but it shouldn't determine whether we are realists [Fisher] |