Install agda-mode by entering the following commands in the terminal:
sudo apt update sudo apt install agda-mode
Description:
transitional dummy package for elpa-agda2-mode
agda-mode has been ELPAfied. See the elpa-agda2-mode package. This transitional package is safe to remove.
Homepage: http://wiki.portal.chalmers.se/agda/
Version: 2.5.3-3build1
Section: universe/misc