نتایج جستجو برای: de morgan

تعداد نتایج: 1537501  

2007

We prove Beurling's theorem and L p − L q Morgan's theorem for step two nilpotent Lie groups. These two theorems together imply a group of uncertainty theorems.

2001
George W. Beadle Evelyn M. Witkin

The Genetics Society of America annually honors members who have made outstanding contributions to genetics. The Thomas Hunt Morgan Medal recognizes a lifetime contribution to the science of genetics. The Genetics Society of America Medal recognizes particularly outstanding contributions to the science of genetics within the past fifteen years. The George W. Beadle Medal recognizes distinguishe...

2017
George Buchanan

George Buchanan was born in the year 1881 in Myddleton Square, Islington, where his father was in medical practice. He received his early education at University College School, and subsequently at the adjacent college. During this period he worked under T. H. Key and de Morgan; he acquired much fondness for classics, notably the English classics, and he was awarded medals in biology and chemis...

2008
Olivia Caramello Peter Johnstone

We show that the classifying topos for the theory of fields does not satisfy De Morgan’s law, and we identify its largest dense De Morgan subtopos as the classifying topos for the theory of fields of nonzero characteristic which are algebraic over their prime fields.

2009
Zhen-Guo Xu Hong-Yan Li

In this paper, we shall introduce generalized fuzzy compactness in L-spaces where L is a complete de Morgan algebra. This definition does not rely on the structure of basis lattice L and no distributivity is required. The intersection of a generalized fuzzy compact L-set and a generalized closed Lset is a generalized fuzzy compact L-set. The generalized irresolute image of a generalized fuzzy c...

2005
Adrian Rice

Whereas the research of the 19th-century mathematician Augustus De Morgan in formal logic is fairly familiar to historians of mathematics, his work in probability is largely unknown to the modern reader. For this reason, few would be aware that this work contains a self-admitted error in probabilistic reasoning. This mistake is intriguing not only because it features in the work of someone who ...

Journal: :Studia Logica 1991
Roger D. Maddux

The calculus of relations was created and developed in the second half of the nineteenth century by Augustus De Morgan, Charles Sanders Peirce, and Ernst Schrbder. In 1940 Alfred Tarski proposed an axiomatization for a large part of the calculus of relations. In the next decade Tarski's axiomatization led to the creation of the theory of relation algebras, and was shown to be incomplete by Roge...

1998
K. Humphreys R. Gaizauskas S. Azzam C. Huyck B. Mitchell H. Cunningham Y. Wilks

Journal: :Arch. Math. Log. 2004
George Georgescu Andrei Popescu

The lack of double negation and de Morgan properties makes fuzzy logic unsymmetrical. This is the reason why fuzzy versions of notions like closure operator or Galois connection deserve attention for both antiotone and isotone cases, since they are not dual. This paper offers them attention, comming to the following conclusions: some kind of hardly describable ”local preduality” still makes pos...

2015
Wesley T. Lindsey

Authors: David Gravette, Pharm.D. Candidate, Harrison School of Pharmacy, Auburn University; Morgan Luger, Pharm.D. Candidate, Harrison School of Pharmacy, Auburn University; Jay Moulton, Pharm.D. Candidate, Harrison School of Pharmacy, Auburn University; Wesley T. Lindsey, Pharm.D., Associate Clinical Professor of Pharmacy Practice, Drug Information and Learning Resource Center, Harrison Schoo...

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