Module Proofview.Notations

val (>>=) : 'a tactic -> ( 'a -> 'b tactic ) -> 'b tactic
val (<*>) : unit tactic -> 'a tactic -> 'a tactic
val (<+>) : 'a tactic -> 'a tactic -> 'a tactic

tclOR: t1+t2 = tclOR t1 (fun _ -> t2).