** [[https://coq.inria.fr][Coq]] (with [[https://github.com/ProofGeneral/PG][Proof General]])
#+begin_src emacs-lisp
-(use-package proof-general)
+(use-package proof-site
+ :straight proof-general)
#+end_src
** [[https://leanprover.github.io][Lean]] (with [[https://github.com/leanprover/lean-mode][lean-mode]])