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1 Cards in this Set
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Reductio ad absurdum
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p1: suppose x is true
p2: if x is true, then y is true p3; y is not true c: x is not true suppose the old man heard the boy say hes going to kill his father if he heard him say that, he would have to hear over the train he couldn't have heard over the train He didnt hear the boy say he was going to kill his father |
