22 ideas
3798 | An overexamined life is as bad as an unexamined one [Dennett] |
3801 | Rationality requires the assumption that things are either for better or worse [Dennett] |
7807 | The laws of thought are true, but they are not the axioms of logic [Bolzano, by George/Van Evra] |
9618 | Bolzano wanted to reduce all of geometry to arithmetic [Bolzano, by Brown,JR] |
9830 | Bolzano began the elimination of intuition, by proving something which seemed obvious [Bolzano, by Dummett] |
17265 | Philosophical proofs in mathematics establish truths, and also show their grounds [Bolzano, by Correia/Schnieder] |
22320 | An 'object' is just what can be referred to without possible non-existence [Wittgenstein] |
3802 | Why pronounce impossible what you cannot imagine? [Dennett] |
9185 | Bolzano wanted to avoid Kantian intuitions, and prove everything that could be proved [Bolzano, by Dummett] |
3795 | Causal theories require the "right" sort of link (usually unspecified) [Dennett] |
3797 | I am the sum total of what I directly control [Dennett] |
3800 | You can be free even though force would have prevented you doing otherwise [Dennett, by PG] |
3803 | Can we conceive of a being with a will freer than our own? [Dennett] |
3791 | Awareness of thought is a step beyond awareness of the world [Dennett] |
3794 | Foreknowledge permits control [Dennett] |
3796 | The active self is a fiction created because we are ignorant of our motivations [Dennett] |
18283 | Language pictures the essence of the world [Wittgenstein] |
18282 | You can't believe it if you can't imagine a verification for it [Wittgenstein] |
22276 | Bolzano saw propositions as objective entities, existing independently of us [Bolzano, by Potter] |
17264 | Propositions are abstract structures of concepts, ready for judgement or assertion [Bolzano, by Correia/Schnieder] |
12232 | A 'proposition' is the sense of a linguistic expression, and can be true or false [Bolzano] |
12233 | The ground of a pure conceptual truth is only in other conceptual truths [Bolzano] |