About this article
Published Online: Dec 30, 2022
Page range: 229 - 234
Accepted: Sep 30, 2022
DOI: https://doi.org/10.2478/forma-2022-0018
Keywords
© 2022 Artur Korniłowicz et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
This paper reports on the formalization of ten selected problems from W. Sierpinski’s book “250 Problems in Elementary Number Theory” [5] using the Mizar system [4], [1], [2]. Problems 12, 13, 31, 32, 33, 35 and 40 belong to the chapter devoted to the divisibility of numbers, problem 47 concerns relatively prime numbers, whereas problems 76 and 79 are taken from the chapter on prime and composite numbers.