n值命题逻辑系统 Ln *中有限命题集的相容性与约简
李立峰
Consistency and reduction of finite proposition set in n-valued propositional logic Ln *
LI Li-feng
计算机工程与应用 . 2009, (13): 59 -61 .  DOI: 10.3778/j.issn.1002-8331.2009.13.017