In addition,the paper proposes decision judgement theorem,decision discernment theorem, decision surplusage discarding theorem and hole digging principle on decision factors universe X .
文出具有中性域X(X≠{x})X的上的双枝模糊决的概念和决优化析模型、决判定定理、决识别定理、决去余定理和决域X上的挖洞原理。