Negative Membership
Negative Membership
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DOI:
10.1305/ndjfl/1093635499
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发表时间:
1990
期刊:
影响因子:
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通讯作者:
Wayne D. Blizard
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文献类型:
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作者:
Wayne D. Blizard
Generalized sets whose characteristic functions may assume any integer value, positive or negative, are formalized in a first-order two-sorted theory MSTZ which contains an exact copy of ZFC and is relatively consistent. —4 copies of c. The theory MSTZ is a gener-alization of the theory MST (see [1] and [2]). We show that MSTZ contains an exact copy of ZFC and that MSTZ is relatively consistent.