Professional GirlsSoftball Set Up Bytlt;Big League LeadersWrigley, Rickey and Harper Incorporate Small Town Loopw1]flt;hn1lt;otlTgn11bO!SiUoCHICAGO, Feb. 18— (AP)— Girls softball was set up today on u recognized, professional basis with the formation of a league financed by Philip K. Wrigley, president of the Chicago Cubs, and headed by three trustees—Wrigley, Branch Rickey, president and general manager of the Brooklyn Dodgers, and Paul V, Harper, attorney for the Cubs.A statement issued by the trustees declare the aim of the AH American girls softball league would be to follow the j0 recognized professional sports principle of getting the very best obtainable players throughout the country and to stage the game in the best possible mans'11wetcner.”