9 ideas
3653 | My Meditations are the complete foundation of my physics [Descartes] |
4736 | Truth is such a transcendentally clear notion that it cannot be further defined [Descartes] |
10163 | Propositional modal logic has been proved to be complete [Kripke, by Feferman/Feferman] |
10760 | With possible worlds, S4 and S5 are sound and complete, but S1-S3 are not even sound [Kripke, by Rossberg] |
16189 | The variable domain approach to quantified modal logic invalidates the Barcan Formula [Kripke, by Simchen] |
15132 | The Barcan formulas fail in models with varying domains [Kripke, by Williamson] |
10242 | I apply structuralism to concrete and abstract objects indiscriminately [Quine] |
10243 | My ontology is quarks etc., classes of such things, classes of such classes etc. [Quine] |
3652 | I can't prove the soul is indestructible, only that it is separate from the mortal body [Descartes] |