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In mathematical logic, Gödel's β function is a function used to permit quantification over finite sequences of natural numbers in formal theories of arithmetic. The β function is used, in particular, in showing that the class of arithmetically definable functions is closed under primitive recursion, and therefore includes all primitive recursive functions.
In the above theorem, each of the four integers has a name of its own: a is called the dividend, b is called the divisor, q is called the quotient and r is called the remainder. The computation of the quotient and the remainder from the dividend and the divisor is called division , or in case of ambiguity, Euclidean division .
In other words, suppose that there is a deduction rule D 1, by which one can move from the formulas S 1,S 2 to a new formula S. Then the relation R 1 corresponding to this deduction rule says that n is related to m (in other words, n R 1 m holds) if n is the Gödel number of the list of formulas containing S 1 and S 2 and m is the Gödel number ...
In these examples, the (negative) least absolute remainder is obtained from the least positive remainder by subtracting 5, which is d. This holds in general. When dividing by d, either both remainders are positive and therefore equal, or they have opposite signs. If the positive remainder is r 1, and the negative one is r 2, then r 1 = r 2 + d.
In each step k of the Euclidean algorithm, the quotient q k and remainder r k are computed for a given pair of integers r k−2 and r k−1. r k−2 = q k r k−1 + r k. The computational expense per step is associated chiefly with finding q k, since the remainder r k can be calculated quickly from r k−2, r k−1, and q k. r k = r k−2 − q ...
Thus, the function may be more "cheaply" evaluated using synthetic division and the polynomial remainder theorem. The factor theorem is another application of the remainder theorem: if the remainder is zero, then the linear divisor is a factor. Repeated application of the factor theorem may be used to factorize the polynomial. [3]
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Remainder theorem may refer to: Polynomial remainder theorem ...
The b values are the coefficients of the result (R(x)) polynomial, the degree of which is one less than that of P(x). The final value obtained, s, is the remainder. The polynomial remainder theorem asserts that the remainder is equal to P(r), the value of the polynomial at r.