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Inclusive first-order logic

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Abstract

Some authors have studied in an ad hoc fashion the inclusive logics, that is the logics which admit or include objects or sets without element. These logics have been recently brought into the limelight because of the use of arbitrary topoi for interpreting languages. (In topoi there are usually many objects without element.)

The aim of the paper is to present, for some inclusive logics, an axiomatization as natural and as simple as possible. Because of the intended applications to category theory, the logics studied are many-sorted and intuitionistic.

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  1. Ècole des Hautes Ètudes Commerciales, Montéal, Québec, Canada

    Roch Ouellet

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  1. Roch Ouellet
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Ouellet, R. Inclusive first-order logic. Stud Logica 40, 13–28 (1981). https://doi.org/10.1007/BF01837552

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  • DOI: https://doi.org/10.1007/BF01837552

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