共 50 条
- [1] A CUT-FREE SIMPLE SEQUENT CALCULUS FOR MODAL LOGIC S5 [J]. REVIEW OF SYMBOLIC LOGIC, 2008, 1 (01): : 3 - 15
- [4] GENTZEN-TYPE CALCULI FOR MODAL LOGIC S4 WITH BARCAN FORMULA [J]. LECTURE NOTES IN ARTIFICIAL INTELLIGENCE, 1992, 592 : 381 - 390
- [6] Cut-free Gentzen calculus for multimodal CK [J]. INFORMATION AND COMPUTATION, 2011, 209 (12) : 1465 - 1490