模态逻辑S4的覆盖语义及其完备性
于海;詹婉荣;张瑞玲
Covering Semantics of Modal Logic S4 and its Completeness
YU Hai;ZHAN Wan-rong;ZHANG Rui-ling
电子学报 . 2012, (4): 745 -750 .  DOI: 10.3969/j.issn.0372-2112.2012.04.020