4 ideas
14181 | Validity is where either the situation or the interpretation blocks true premises and false conclusion [Etchemendy, by Read] |
14180 | Etchemendy says fix the situation and vary the interpretation, or fix interpretations with varying situations [Etchemendy, by Read] |
9783 | While no two classes coincide in membership, there are distinct but coextensive attributes [Cartwright,R] |
6017 | Nomos is king [Pindar] |