Try to understand
https://trisquel.info/forum/need-uninstall-trisquel?page=2#comment-104287
The "trisquel" meta-package only defines a set of packages: the default
Trisquel system. Same thing for "trisquel-mini". In the Synaptic package
manager, you can look at the "Properties" of any package. There is a button
for that. Among the properties, one tab deals with the "Installed files". You
can see that a meta-package, such as "trisquel" or "trisquel-mini", only
installs two documentation files. However, it "depends" on the default
system, i.e., all this default system is installed if the meta-package is
installed. Those "dependencies" are listed in the eponymous tab.
You can install *any* package (e.g., "fluxbox") and it will not remove
"trisquel". You can also remove packages from the default system: "trisquel"
or "trisquel-mini" will be removed but it only means you do not have the
default system anymore.
