How To Install fact++ on Ubuntu 20.04

In this tutorial we learn how to install fact++ on Ubuntu 20.04. fact++ is description logic reasoner for the semantic web

Introduction

In this tutorial we learn how to install fact++ on Ubuntu 20.04.

What is fact++

fact++ is:

FaCT++ is a DL reasoner. It supports OWL DL as well as the forthcoming standard OWL 1.1. FaCT++ is implemented in C++ and uses optimised tableaux algorithms. The tool is probably best known for its compatibility with the tool Protege that helps to formally represent semantics.

There are three methods to install fact++ on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install fact++ Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install fact++ using apt-get by running the following command:

sudo apt-get -y install fact++

Install fact++ Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install fact++ using apt by running the following command:

sudo apt -y install fact++

Install fact++ Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install fact++ using aptitude by running the following command:

sudo aptitude -y install fact++

How To Uninstall fact++ on Ubuntu 20.04

To uninstall only the fact++ package we can use the following command:

sudo apt-get remove fact++

Uninstall fact++ And Its Dependencies

To uninstall fact++ and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove fact++

Remove fact++ Configurations and Data

To remove fact++ configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge fact++

Remove fact++ configuration, data, and all of its dependencies

We can use the following command to remove fact++ configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge fact++

References

Summary

In this tutorial we learn how to install fact++ package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.