hol88-contrib-help software package provides Higher Order Logic, user contributed online help files, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hol88-contrib-help
hol88-contrib-help is installed in your system.
Make ensure the hol88-contrib-help package were installed using the commands given below,
$ sudo dpkg-query -l | grep hol88-contrib-help *
You will get with hol88-contrib-help package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Mathematics |
| Package | hol88-contrib-help |
| Version | 2.02.19940316-31 |
| Description | Higher Order Logic, user contributed online help files |
| Sub Section | Math |