In 1962 a mimeographed sheet of paper fell into my possession. It had been prepared by Ernest Adams of the Philosophy Department at Berkeley as a handout for a colloquim. Headed 'SOME FALLACIES OF FORMAL LOGIC' it simply listed eleven little pieces of reasoning, all in ordinary English, and all absurd. I still have the sheet, and quote a couple of the arguments here to give the idea. · If you throw switch S and switch T, the motor will start. There fore, either if you throw switch S the motor will start, or, if you throw switch T the motor will start . · It is not the case that if John passes history he will graduate. Therefore, John will pass history. The disconcerting thing about these inferences is, of course, that under the customary truth-functional interpretation of and, or, not, and if-then, they are supposed to be valid. What, if anything, is wrong? At first I was not disturbed by the examples. Having at that time consider able personal commitment to rationality in general and formal logic in par ticular, I felt it my duty and found myself easily able (or so I thought) to explain away most of them. But on reflection I had to admit that my expla nations had an ad hoc character, varying suspiciously from example to example.
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Descripción D. Reidel Publishing Company, Dordrecht, Netherlands, 1978. Printed Boards. Estado de conservación: ***NEW***. First Edition. 249pp. HARDCOVER ***NEW BOOK*** Perfect. Size: 8vo - over 73/4" - 93/4" tall. Nº de ref. de la librería 14529/220
Descripción Springer, 1978. Hardcover. Estado de conservación: New. 1. This item is printed on demand. Nº de ref. de la librería DADAX9027708649