A propositional logic with 4 values: true, false, divergent and meaningless
- 1 January 1995
- journal article
- research article
- Published by Taylor & Francis in Journal of Applied Non-Classical Logics
- Vol. 5 (2) , 199-217
Abstract
In this paper, we survey 3-valued logics and their complete axiomatizations, one of which may be new. We then propose a 4-valued, functionally complete logic that incorporates these 3-valued systems and provide notations for interesting operators and subsystems.Keywords
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