TOPOS BASED SEMANTIC FOR CONSTRUCTIVE LO
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Barbara Klunder; B. Klunder
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Article
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1992
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John Wiley and Sons
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English
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## Abstract The aim of the paper is to show that topoi are useful in the categorial analysis of the constructive logic with strong negation. In any topos ฯต we can distinguish an object ฮ and its truthโarrows such that sets ฯต(__A__, ฮ) (for any object __A__) have a Nelson algebra structure. The obje