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...

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...

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

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

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

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...

x∈X{\displaystyle x\in X} is the same as the neighbourhood filter of the singleton set {x}.{\displaystyle \{x\}.} A neighbourhood basis or local basis (or...

G} — in other words, Vnc/G{\displaystyle V_{n}^{\mathbf {c} }/G} is a singleton (see also rigid group). The conjugacy classes c1,…,cn{\displaystyle c_{1}...

1007/BF00327237. MR 1554128. S2CID 119948133. Rashed, Roshdi (1972). "L'induction mathématique: al-Karajī, as-Samaw'al". Archive for History of Exact Sciences (in French)...