About this article
Published Online: Jan 09, 2021
Page range: 137 - 154
Accepted: May 19, 2020
DOI: https://doi.org/10.2478/forma-2020-0013
Keywords
© 2020 Sebastian Koch, published by Sciendo
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
In this article the finiteness of graphs is refined and the minimal and maximal degree of graphs are formalized in the Mizar system [3], based on the formalization of graphs in [4].