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The post 30 Math Puzzles (with Answers) to Test Your Smarts appeared first on Reader's Digest. ... 82 winter activities for kids and families to enjoy all season long. Sports. Sports.
The phrase "connect the dots" can be used as a metaphor to illustrate an ability (or inability) to associate one idea with another—to find the "big picture", or salient feature, in a mass of data; [5] it can mean using extrapolation to solve a mystery from clues, or else come to a conclusion from various facts.
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 .
In mathematics, a family, or indexed family, is informally a collection of objects, each associated with an index from some index set. For example, a family of real numbers , indexed by the set of integers , is a collection of real numbers, where a given function selects one real number for each integer (possibly the same) as indexing.
Given two structures A and B of the same signature σ, A is said to be a weak substructure of B, or a weak subalgebra of B, if . the domain of A is a subset of the domain of B,; f A = f B | A n for every n-ary function symbol f in σ, and
A complete game of Notakto, a misère variant of the game. Tic-tac-toe is an instance of an m,n,k-game, where two players alternate taking turns on an m×n board until one of them gets k in a row. [1]