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] |
16157 | Insurance on the original ship would hardly be paid out if the plank version was wrecked! [Frede,M] |
7295 | Maybe induction is only reliable IF reality is stable [Mitchell,A] |