x,y,z as variables, and taking f to be an uninterpreted function, the singleton equation set { f(1,y) = f(x,2) } is a syntactic first-order unification...

Mathematics Japan Society for Industrial and Applied Mathematics Société de Mathématiques Appliquées et Industrielles International Council for Industrial and...

is a nonempty countable metric space with no isolated point, then each singleton {x}{\displaystyle \{x\}} in X{\displaystyle X} is nowhere dense, and X{\displaystyle...

Mathematics Japan Society for Industrial and Applied Mathematics Société de Mathématiques Appliquées et Industrielles International Council for Industrial and...

Conversely, if X {\displaystyle X} is not discrete, then there is a singleton { x } {\displaystyle \{x\}} that is not open. Hence, every open neighbourhood...

the colimit of the (constant sequence of the) endomorphism. Because the singleton ({*}, *) is the terminal object of Mag, and because Mag is algebraic,...

Erwartungswert, in Spanish for esperanza matemática, and in French for espérance mathématique. When "E" is used to denote "expected value", authors use a variety of...

in other words, V n c / G {\displaystyle V_{n}^{\mathbf {c} }/G} is a singleton (see also rigid group). The conjugacy classes c 1 , … , c n {\displaystyle...

which the sequence is zero can be partitioned into a finite set (the singleton set {1}) and a full arithmetic progression (the positive even numbers)...

p. 89 Bourbaki, Nicolas (1970). Théorie des ensembles. Éléments de mathématique. Springer. ISBN 9783540340348. Eccles, Peter J. (1997), An Introduction...