6 ideas
13831 | Logic is based on transitions between sentences [Prawitz] |
13825 | Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz] |
13823 | In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz] |
12165 | Romantics say music expresses ideas, or the Will, or intuitions, or feelings [Scruton] |
12164 | Expressing melancholy is a good thing, but arousing it is a bad thing [Scruton] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |