Excerpt from Decision Procedures for Elementary Sublanguages of Set Theory; Vi; Multi-Level Syllogistic Extended by the Powerset Operator
Definition A place a of P is a O/l-valued function defined on the set of all variables in P such that c(x) a(y) V a(z) (resp. C(x) a(y) |~g429) if x y U z (resp. X y z), belongs to P, and such that c(x) E 0 if x G appears in P. Given a variable x, the place a is said tosbe:a place of P at x if a(y) (resp. A(y) 0) whenever x e y (resp. X d y) appears in P.
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Paperback. Condition: New. Print on Demand. This book delves into the realm of understanding and resolving a particular undeclared theory of sets, specifically concerning the language involving empty sets, equality, membership, union, set differences, and powersets. The theory the author explores has been previously examined but with the powerset operator omitted, while this book builds on that work by including it. Using techniques and ideas developed in the author's previous works, this text presents an algorithm that reveals whether any formula within this theory is satisfiable. Throughout the book, the author proves that the conditions presented are both necessary and sufficient for this satisfiability, marking an important contribution to the field. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781332887477_0
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332887477
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332887477
Quantity: 15 available