symmetric function
symmetric function A function f(x1,x2,…xn) whose value is unaltered by any permutation of its n variables. Such functions arise repeatedly in switching theory.
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Primitive Recursion , primitive recursive function A function that can be obtained from certain initial functions by a finite number of applications of composition and pri… Function , A function is a mathematical relationship between two sets of real numbers. These sets of numbers are related to each other by a rule that assigns ea… wavelet , wavelet •mallet, palette, pallet, valet •tablet • pamphlet • aglet • anklet •candlelit • hamlet •Caplet, chaplet •lamplit • flatlet • mantlet •haslet… Equation , equation An expression that asserts the equality of two terms. To be precise, an equation has the following form. Let Σ be a signature and let t1(X1,… inverse , inverse
1. (converse) of a binary relation R. A derived relation R–1 such that whenever x R y then y R–1 x
where x and y are arbitrary elements of th… Domain , Domain
The domain of a relation is the set that contains all the first elements, x, from the ordered pairs (x,y) that make up the relation. In mathem…
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symmetric function