In essence, there is a big rift between uncertain, approximate, or analogical information and certain, precise, or deterministic information. They reflect two aspects of information: continuity and discreteness, or infiniteness and finiteness. Moreover, uncertainty and certainty constitute the basics of information and cannot be separated. They represent a dual property or dialectic contradiction of information. However, both symbolism and connectionism cannot represent this kind of contradictory property. They present only a discrete and consistent world that cannot meet the nature of a dynamic world. So a new methodology is required for an information representation system to solve this problem.