30 ideas
18543 | Do aesthetic reasons count as reasons, if they are rejectable without contradiction? [Scruton] |
4643 | The Principle of Sufficient Reason does not presuppose that all explanations will be causal explanations [Baggini /Fosl] |
4633 | You cannot rationally deny the principle of non-contradiction, because all reasoning requires it [Baggini /Fosl] |
4635 | Dialectic aims at unified truth, unlike analysis, which divides into parts [Baggini /Fosl] |
18542 | Defining truth presupposes that there can be a true definition [Scruton] |
4632 | 'Natural' systems of deduction are based on normal rational practice, rather than on axioms [Baggini /Fosl] |
4631 | In ideal circumstances, an axiom should be such that no rational agent could possibly object to its use [Baggini /Fosl] |
17831 | Cantor gives informal versions of ZF axioms as ways of getting from one set to another [Cantor, by Lake] |
4638 | The principle of bivalence distorts reality, as when claiming that a person is or is not 'thin' [Baggini /Fosl] |
4640 | If identity is based on 'true of X' instead of 'property of X' we get the Masked Man fallacy ('I know X but not Y') [Baggini /Fosl, by PG] |
4647 | 'I have the same car as you' is fine; 'I have the same fiancée as you' is not so good [Baggini /Fosl] |
4639 | Leibniz's Law is about the properties of objects; the Identity of Indiscernibles is about perception of objects [Baggini /Fosl] |
4646 | Is 'events have causes' analytic a priori, synthetic a posteriori, or synthetic a priori? [Baggini /Fosl] |
4645 | 'A priori' does not concern how you learn a proposition, but how you show whether it is true or false [Baggini /Fosl] |
4582 | Basic beliefs are self-evident, or sensual, or intuitive, or revealed, or guaranteed [Baggini /Fosl] |
4644 | A proposition such as 'some swans are purple' cannot be falsified, only verified [Baggini /Fosl] |
4584 | The problem of induction is how to justify our belief in the uniformity of nature [Baggini /Fosl] |
4583 | How can an argument be good induction, but poor deduction? [Baggini /Fosl] |
4634 | Abduction aims at simplicity, testability, coherence and comprehensiveness [Baggini /Fosl] |
4637 | To see if an explanation is the best, it is necessary to investigate the alternative explanations [Baggini /Fosl] |
4629 | Consistency is the cornerstone of rationality [Baggini /Fosl] |
18546 | The pleasure taken in beauty also aims at understanding and valuing [Scruton] |
18550 | Art gives us imaginary worlds which we can view impartially [Scruton] |
18544 | Maybe 'beauty' is too loaded, and we should talk of fittingness or harmony [Scruton] |
18553 | Beauty shows us what we should want in order to achieve human fulfilment [Scruton] |
18556 | Beauty is rationally founded, inviting meaning, comparison and self-reflection [Scruton] |
18548 | Natural beauty reassures us that the world is where we belong [Scruton] |
18551 | Croce says art makes inarticulate intuitions conscious; rival views say the audience is the main concern [Scruton] |
18541 | Beauty (unlike truth and goodness) is questionable as an ultimate value [Scruton] |
18554 | Prostitution is wrong because it hardens the soul, since soul and body are one [Scruton] |