Abstract: In whole 20th century, traditional logic had undergone a suffering fate.Experimental logic had played a very important role in it. Experimental logic is a kind of logic of philosophy that was founded by American Dewey. The logic was spread into China by Dewey and his student, HU Shi, with an indefatigable endeavor and had great influenced in China in 1920s and 1930s. In view of the difference on the basic standpoint, traditional logic was criticized and denied by experimental logic. Experimental logic is no...