5 ideas
12220 | Is it the sentence-token or the sentence-type that has a logical form? [Fine,K] |
12222 | Substitutional quantification is referential quantification over expressions [Fine,K] |
18284 | Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |