Journal of Formalized Mathematics
Volume 2, 1990
University of Bialystok
Copyright (c) 1990 Association of Mizar Users

## Factorial and Newton Coefficients

Rafal Kwiatek
Nicolaus Copernicus University, Torun
Supported by RPBP.III-24.B5.

### Summary.

We define the following functions: exponential function (for natural exponent), factorial function and Newton coefficients. We prove some basic properties of notions introduced. There is also a proof of binominal formula. We prove also that $\sum_{k=0}^n {n \choose k}=2^n$.

#### MML Identifier: NEWTON

The terminology and notation used in this paper have been introduced in the following articles [9] [2] [3] [10] [8] [5] [4] [6] [1] [7]

Contents (PDF format)

#### Bibliography

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