Extended Natural Numbers and Counters

This article introduces extended natural numbers, i.e. the set ℕ ∪ {+∞}, in Mizar [4], [3] and formalizes a way to list a cardinal numbers of cardinals. Both concepts have applications in graph theory.

Bibliographic Details
Main Author: Koch Sebastian
Format: Article
Language:English
Published: Sciendo 2020-10-01
Series:Formalized Mathematics
Subjects:
Online Access:https://doi.org/10.2478/forma-2020-0021