daknob@server:~$ sudo aptitude why adwaita-icon-theme p vim-gtk3 Provides vim p vim-gtk3 Depends libgtk-3-0 (>= 3.21.5) p libgtk-3-0 Depends adwaita-icon-theme daknob@server:~$ aptitude why libgtk-3-0 p vim-gtk3 Provides vim p vim-gtk3 Depends libgtk-3-0 (>= 3.21.5) daknob@server:~$ aptitude why vim-gtk3 # vim-gtk3 is not going to be installed with aptitude install freeradius i vim-common Recommends vim | vim-gtk | vim-gtk3 | vim-athena | vim-nox | vim-tiny