4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
16672 | Quantity is the quantified parts of a thing, plus location and coordination [Olivi] |
14289 | There are some assertable conditionals one would reject if one learned the antecedent [Jackson, by Edgington] |