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39Nonstandard Methods and Finiteness Conditions in AlgebraMathematical Logic Quarterly 37 (33-35): 525-532. 1991.
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33Some nonstandard methods applied to distributive latticesZeitschrift fur mathematische Logik und Grundlagen der Mathematik 36 (2): 123-131. 1990.
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25Hyperalgebraic primitive elements for relational algebraic and topological algebraic modelsStudia Logica 57 (2-3). 1996.Using nonstandard methods, we generalize the notion of an algebraic primitive element to that of an hyperalgebraic primitive element, and show that under mild restrictions, such elements can be found infinitesimally close to any given element of a topological field.
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16Nonstandard Methods and Finiteness Conditions in AlgebraMathematical Logic Quarterly 37 (33‐35): 525-532. 1991.
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6Some nonstandard methods applied to distributive latticesMathematical Logic Quarterly 36 (2): 123-131. 1990.