Universal First-Order Definability in Mo
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R. E. Jennings; D. K. Johnston; P. K. Schotch
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Article
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1980
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John Wiley and Sons
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English
โ 198 KB
UPiIVERSAL FIRST-ORDER DEFINABILITY I N MODAL LOGIC by R. E. JENNIXGS and D. K. JOHNSTON in Burnaby, British Columbia (Canada) and P. K. SCHOTCH in Halifax, Nova Scotia (Canada)l) In [ l ] R. I. GOLDBLATT presents a model theoretic characterization of the class of modal sentences determined by firs