Noun. 1. set theory-the branch of pure mathematics that deals with the nature and relations of sets. math, mathematics, maths-a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement.
Long drive is a competitive sport where success is derived by hitting a golf ball the farthest by driving. A small but dedicated talent base of golfers populate the world of Long-Drive, with the top talent competing professionally in various events and exhibitions.ong drive clubs, which are always drivers, are different in many ways from consumer clubs. Until the recent club length limitation rules, the shafts were much longer than a normal 45 in (114.3 cm) shaft, sometimes exceeding 55 in (139.7 cm).
PGA Tour. VIDEO: Rory McIlroy hits longest drive of PGA Tour career, at WGC-Dell Match Play. 4ï¸â£1ï¸â£0ï¸â£ yards. The par-5 12th hole at Austin (Texas) Country Club is playing at 582 yards Wednesday for the opening round of matches at the WGC-Dell Technologies Match Play. Rory McIlroy hit his drive 409 yards.