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Zakon Pirsa odin iz zakoniv klasichnoyi logiki analog zakoniv podvijnogo zaperechennya i viklyuchenogo tretogo Nazvanij na chest amerikanskogo logika i filosofa Charlza Pirsa Zakon Pirsa formalno viglyadaye tak P Q P P displaystyle P to Q to P to P sho oznachaye P displaystyle P povinno buti istinno yaksho sliduvannya Q displaystyle Q z P displaystyle P z neobhidnistyu tyagne P displaystyle P Zakon Pirsa ye tavtologiyeyu klasichnoyi logiki odnak vodnochas zdebilshogo ne vikonuyetsya u neklasichnih logikah zokrema v intuyicionistskij logici Vodnochas dodavannya zakonu Pirsa do bud yakoyi aksiomatiki intuyicionistskoyi logiki peretvoryuye yiyi v klasichnu Te same vidbuvayetsya pri dodavanni zakonu podvijnogo zaperechennya abo zakonu viklyuchenogo tretogo U comu sensi vsi tri zakoni ekvivalentni Odnak zagalom isnuyut logiki v yakih usi tri zakoni neekvivalentni 1 Div takozh RedaguvatiZakon viklyuchenogo tretogo Zakon podvijnogo zaperechennyaPrimitki Redaguvati Zena M Ariola and Hugo Herbelin Minimal classical logic and control operators Arhivovano 18 lipnya 2008 u Wayback Machine In Thirtieth International Colloquium on Automata Languages and Programming ICALP 03 Eindhoven The Netherlands June 30 July 4 2003 Lecture Notes in Computer Science Vol 2719 Pp 871 885 Springer Verlag 2003 nbsp Ce nezavershena stattya z logiki Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi Otrimano z https uk wikipedia org w index php title Zakon Pirsa amp oldid 36240679