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A Counterexample to Modus Ponens
- laszlokorte 6y agoP(marble) = blue(marble) or red(marble) is true for all 100 marbles. So this proposition being true tells us nothing about the specific marble. As 60 of the 100 marbles are large, it is indeed true the any marble m we pick and of which we only know that P(m) is probably large.