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The term "family values" is often used in political discourse in some countries, its general meaning being that of traditional or cultural values that pertain to the family's structure, function, roles, beliefs, attitudes, and ideals, usually involving the "traditional family"—a middle-class family with a breadwinner father and a homemaker ...
Homeomorphism: is a bijective function that is also continuous, and whose inverse is continuous. Open function: maps open sets to open sets. Closed function: maps closed sets to closed sets. Compactly supported function: vanishes outside a compact set. Càdlàg function, called also RCLL function, corlol function, etc.: right-continuous, with ...
The Dirac comb of period 2 π, although not strictly a function, is a limiting form of many directional distributions. It is essentially a wrapped Dirac delta function. It represents a discrete probability distribution concentrated at 2 π n — a degenerate distribution — but the notation treats it as if it were a continuous distribution.
Thomae's function: is a function that is continuous at all irrational numbers and discontinuous at all rational numbers. It is also a modification of Dirichlet function and sometimes called Riemann function. Kronecker delta function: is a function of two variables, usually integers, which is 1 if they are equal, and 0 otherwise.
List of family trees; W. List of wealthiest families This page was last edited on 28 February 2021, at 02:12 (UTC). Text is available under the Creative Commons ...
Sometimes, if each function in a normal family F satisfies a particular property (e.g. is holomorphic), then the property also holds for each limit point of the set F. More formally, let X and Y be topological spaces. The set of continuous functions : has a natural topology called the compact-open topology. A normal family is a pre-compact ...
This page was last edited on 29 December 2023, at 15:33 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Additionally, a family of sets may be defined as a function from a set , known as the index set, to , in which case the sets of the family are indexed by members of . [1] In some contexts, a family of sets may be allowed to contain repeated copies of any given member, [ 2 ] [ 3 ] [ 4 ] and in other contexts it may form a proper class .