21 ideas
1922 | Spiritual qualities only become advantageous with the growth of wisdom [Plato] |
15545 | Armstrong's analysis seeks truthmakers rather than definitions [Lewis] |
15546 | Predications aren't true because of what exists, but of how it exists [Lewis] |
15548 | Say 'truth is supervenient on being', but construe 'being' broadly [Lewis] |
14399 | Presentism says only the present exists, so there is nothing for tensed truths to supervene on [Lewis] |
11259 | How can you seek knowledge of something if you don't know it? [Plato] |
15543 | How do things combine to make states of affairs? Constituents can repeat, and fail to combine [Lewis] |
13768 | Validity can preserve certainty in mathematics, but conditionals about contingents are another matter [Edgington] |
13770 | There are many different conditional mental states, and different conditional speech acts [Edgington] |
13764 | Are conditionals truth-functional - do the truth values of A and B determine the truth value of 'If A, B'? [Edgington] |
13765 | 'If A,B' must entail ¬(A & ¬B); otherwise we could have A true, B false, and If A,B true, invalidating modus ponens [Edgington] |
20219 | True opinions only become really valuable when they are tied down by reasons [Plato] |
5985 | Seeking and learning are just recollection [Plato] |
5986 | The slave boy learns geometry from questioning, not teaching, so it is recollection [Plato] |
1923 | As a guide to action, true opinion is as good as knowledge [Plato] |
1919 | You don't need to learn what you know, and how do you seek for what you don't know? [Plato] |
1913 | Is virtue taught, or achieved by practice, or a natural aptitude, or what? [Plato] |
1921 | If virtue is a type of knowledge then it ought to be taught [Plato] |
1927 | It seems that virtue is neither natural nor taught, but is a divine gift [Plato] |
1918 | How can you know part of virtue without knowing the whole? [Plato] |
1916 | Even if virtues are many and various, they must have something in common to make them virtues [Plato] |