51 ideas
21761 | If we start with indeterminate being, we arrive at being and nothing as a united pair [Hegel, by Houlgate] |
21764 | Thought about being leads to a string of other concepts, like becoming, quantity, specificity, causality... [Hegel, by Houlgate] |
21769 | We must start with absolute abstraction, with no presuppositions, so we start with pure being [Hegel] |
22037 | Objectivity is not by correspondence, but by the historical determined necessity of Geist [Hegel, by Pinkard] |
21983 | Being and nothing are the same and not the same, which is the identity of identity and non-identity [Hegel] |
21985 | The so-called world is filled with contradiction [Hegel] |
21766 | Dialectic is the instability of thoughts generating their opposite, and then new more complex thoughts [Hegel, by Houlgate] |
21978 | Hegel's dialectic is not thesis-antithesis-synthesis, but usually negation of negation of the negation [Hegel, by Moore,AW] |
13252 | Some truths have true negations [Beall/Restall] |
13247 | A truthmaker is an object which entails a sentence [Beall/Restall] |
13249 | (∀x)(A v B) |- (∀x)A v (∃x)B) is valid in classical logic but invalid intuitionistically [Beall/Restall] |
13243 | Excluded middle must be true for some situation, not for all situations [Beall/Restall] |
13245 | Relevant consequence says invalidity is the conclusion not being 'in' the premises [Beall/Restall] |
13246 | Relevant logic does not abandon classical logic [Beall/Restall] |
13254 | A doesn't imply A - that would be circular [Beall/Restall] |
13255 | Relevant logic may reject transitivity [Beall/Restall] |
13242 | It's 'relevantly' valid if all those situations make it true [Beall/Restall] |
13250 | Free logic terms aren't existential; classical is non-empty, with referring names [Beall/Restall] |
13235 | Logic studies consequence; logical truths are consequences of everything, or nothing [Beall/Restall] |
13238 | Syllogisms are only logic when they use variables, and not concrete terms [Beall/Restall] |
13234 | The view of logic as knowing a body of truths looks out-of-date [Beall/Restall] |
13232 | Logic studies arguments, not formal languages; this involves interpretations [Beall/Restall] |
13241 | The model theory of classical predicate logic is mathematics [Beall/Restall] |
13253 | There are several different consequence relations [Beall/Restall] |
13240 | A sentence follows from others if they always model it [Beall/Restall] |
13236 | Logical truth is much more important if mathematics rests on it, as logicism claims [Beall/Restall] |
13237 | Preface Paradox affirms and denies the conjunction of propositions in the book [Beall/Restall] |
21762 | To grasp an existence, we must consider its non-existence [Hegel, by Houlgate] |
21977 | Nothing exists, as thinkable and expressible [Hegel] |
21760 | Thinking of nothing is not the same as simply not thinking [Hegel, by Houlgate] |
21765 | The ground of a thing is not another thing, but the first thing's substance or rational concept [Hegel, by Houlgate] |
22059 | Kant's thing-in-itself is just an abstraction from our knowledge; things only exist for us [Hegel, by Bowie] |
22083 | Hegel believe that the genuine categories reveal things in themselves [Hegel, by Houlgate] |
22080 | The nature of each category relates itself to another [Hegel] |
13244 | Relevant necessity is always true for some situation (not all situations) [Beall/Restall] |
21772 | In absolute knowing, the gap between object and oneself closes, producing certainty [Hegel] |
20954 | The 'absolute idea' is when all the contradictions are exhausted [Hegel, by Bowie] |
21972 | Hegel, unlike Kant, said how things appear is the same as how things are [Hegel, by Moore,AW] |
22038 | Hegel's non-subjective idealism is the unity of subjective and objective viewpoints [Hegel, by Pinkard] |
22044 | Hegel claimed his system was about the world, but it only mapped conceptual interdependence [Pinkard on Hegel] |
22084 | Authentic thinking and reality have the same content [Hegel] |
21464 | The Absolute is the primitive system of concepts which are actualised [Hegel, by Gardner] |
21975 | The absolute idea is being, imperishable life, self-knowing truth, and all truth [Hegel] |
21976 | The absolute idea is the great unity of the infinite system of concepts [Hegel, by Moore,AW] |
22058 | Hegel's 'absolute idea' is the interdependence of all truths to justify any of them [Hegel, by Bowie] |
13239 | Judgement is always predicating a property of a subject [Beall/Restall] |
20953 | Every concept depends on the counter-concepts of what it is not [Hegel, by Bowie] |
13248 | We can rest truth-conditions on situations, rather than on possible worlds [Beall/Restall] |
13233 | Propositions commit to content, and not to any way of spelling it out [Beall/Restall] |
21763 | When we explicate the category of being, we watch a new category emerge [Hegel, by Houlgate] |
19945 | Jew and Greeks, bond and free, male and female, are all one in Christ [Paul] |