411 REFERENCE · Wiktionary
De Morgan algebra
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Alternative forms
en de Morgan algebra
Etymology
Named after British mathematician and logician Augustus De Morgan (1806–1871). The notion was introduced by Grigore Moisil.
Noun
De Morgan algebra
en algebra order theory A bounded distributive lattice equipped with an involution (typically denoted ¬ or ~) which satisfies De Morgan's laws.
en 1980 H. P. Sankappanavar A Characterization of Principal Congruences of De Morgan Algebras and its Applications A. I. Arruda; R. Chuaqui; N. C. A. Da Costa Mathematical Logic in Latin America: Proceedings of the IV Latin American Symposium on Mathematical Logic https://books.google.com.au/books?id=Ep16l7ddULUC&pg=PA341&dq=%22De+Morgan+algebra%22%7C%22De+Morgan+algebras%22&hl=en&sa=X&ved=0ahUKEwiJrM2kr9fcAhW5HTQIHQXFD8UQ6AEILzAB#v=onepage&q=%22De%20Morgan%20algebra%22%7C%22De%20Morgan%20algebras%22&f=false 341 Finally it is shown that the compact elements in the congruence lattice of a De Morgan algebra form a Boolean sublattice.
en 2000 Luo Congwen Topological De Morgan Algebras and Kleene-Stone Algebras: The Journal of Fuzzy Mathematics, Volume 8, Pages 1-524 https://books.google.com.au/books?id=F9rxAAAAMAAJ&q=%22De+Morgan+algebra%22%7C%22De+Morgan+algebras%22&dq=%22De+Morgan+algebra%22%7C%22De+Morgan+algebras%22&hl=en&sa=X&ved=0ahUKEwiJrM2kr9fcAhW5HTQIHQXFD8UQ6AEIaDAN 268 By a topological de Morgan algebra we shall mean an abstract algebra where is a de Morgan algebra,
en 2009 George Rahonis Chapter 12: Fuzzy Languages Manfred Droste; Werner Kuich; Heiko Vogler Handbook of Weighted Automata Springer https://books.google.com.au/books?id=AD1ad4jZUpkC&pg=PA486&dq=%22De+Morgan+algebra%22%7C%22De+Morgan+algebras%22&hl=en&sa=X&ved=0ahUKEwiJrM2kr9fcAhW5HTQIHQXFD8UQ6AEIkgEwFg#v=onepage&q=%22De%20Morgan%20algebra%22%7C%22De%20Morgan%20algebras%22&f=false 486 If is a bounded distributive lattice with negation function (resp. a De Morgan algebra), then constitutes also a bounded distributive lattice with negation function (resp. a De Morgan algebra); for every its negation is defined by for every .
Hypernyms
en Ockham algebra
en distributive lattice
Hyponyms
en Kleene algebra
en Boolean algebra
Translations
bounded distributive lattice equipped with an involution satisfying De Morgan's laws
Further reading
De Morgan's laws
Complemented lattice
en eponyms