+ | NCases (_,what,where) -> "ncases " ^ CicNotationPp.pp_term what ^
+ assert false ^ " " ^ assert false
+ | NCase1 (_,n) -> "*" ^ n ^ ":"
+ | NChange (_,what,wwhat) -> "nchange " ^ assert false ^
+ " with " ^ CicNotationPp.pp_term wwhat
+ | NElim (_,what,where) -> "nelim " ^ CicNotationPp.pp_term what ^
+ assert false ^ " " ^ assert false
+ | NId _ -> "nid"
+ | NIntro (_,n) -> "#" ^ n
+ | NRewrite (_,dir,n,where) -> "nrewrite" ^ assert false
+ | NReduce _ | NGeneralize _ | NLetIn _ | NAssert _ -> assert false