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Bibliographic Details
Main Author: Freedman, Roy S.
Format: Preprint
Published: 2024
Subjects:
Online Access:https://arxiv.org/abs/2409.03784
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Table of Contents:
  • Given a set of N propositions, if any pair is mutual exclusive, then the set of all propositions are N-way jointly mutually exclusive. This paper provides a new general counterexample to the converse. We prove that for any set of N propositional variables, there exist N propositions such that their N-way conjunction is zero, yet all k-way component conjunctions are non-zero. The consequence is that N-way joint mutual exclusion does not imply any pairwise mutual exclusion. A similar result is true for sets since propositional calculus and set theory are models for two-element Boolean algebra.