+(** {3 type shortands} *)
+
+type tactic = (CicAst.term, string) TacticAst.tactic
+type tactical = (CicAst.term, string) TacticAst.tactic TacticAst.tactical
+type command = CicAst.term CommandAst.command
+type script = CicAst.term CommandAst.Script.script
+