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On constructive functions ranging over propositions
Authors:H. Luckhardt
Affiliation:(1) J. W. Goethe-Universität, Frankfurt a. M.
Abstract:It is shown that there is no constructive extensional truth-value mapping from the speciesP of all propositions into known constructive structures ne P.I thank W. Friedrich for discussion and a referee for remarks on this paper.
Keywords:
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