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On necessary but not-sufficient conditions

✍ Scribed by Sakai, Hidehisa


Publisher
Springer-Verlag
Year
1974
Weight
128 KB
Volume
16
Category
Article
ISSN
0003-9268

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On strongest necessary and weakest suffi
✍ Fangzhen Lin πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 159 KB

Given a propositional theory T and a proposition q, a sufficient condition of q is one that will make q true under T , and a necessary condition of q is one that has to be true for q to be true under T . In this paper, we propose a notion of strongest necessary and weakest sufficient conditions. Int