Authors: Colin James III
We evaluate the nine axioms for intutionistic Zermelo-Fraenkel set theory (IZF). None is tautologous. This refutes IZF and its use in blended models and denies De Jongh’s classical theorem and similar results for constructive ZF (CZF). These segments form a non tautologous fragment of the universal logic VŁ4.
Comments: 2 Pages. © Copyright 2019 by Colin James III All rights reserved. Respond to author by email only: info@cec-services dot com. See updated abstract at ersatz-systems.com.
[v1] 2019-05-14 07:54:57
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