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S ix y e a r s a g o I p u b l i s h e d in th is j o u r n a l a p a p e r c a l l e d ' S e t s ' . T h i s p a p e r w a s r e v i e w e d in t h e Mathematical Reviews 57, 2 (1979) as e n t r y(More)
These three sentences have something in common, which, following Wittgenstein's terminology, I call the sentence-radicaP; what is different in each of them I call the modal element. The(More)
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