10 ideas
6021 | It is only when we say a proposition that we speak truly or falsely [Sext.Empiricus] |
9470 | Modal logic is not an extensional language [Parsons,C] |
6020 | 'Man is a rational mortal animal' is equivalent to 'if something is a man, that thing is a rational mortal animal' [Sext.Empiricus] |
9469 | Substitutional existential quantifier may explain the existence of linguistic entities [Parsons,C] |
9468 | On the substitutional interpretation, '(∃x) Fx' is true iff a closed term 't' makes Ft true [Parsons,C] |
6026 | How can you investigate without some preconception of your object? [Sext.Empiricus] |
6032 | Right actions, once done, are those with a reasonable justification [Sext.Empiricus] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
1517 | The tektraktys (1+2+3+4=10) is the 'fount of ever-flowing nature' [Sext.Empiricus] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |