> ? [some #system_of_rules] [km#graph29_on_article [an #article, dc#Coverage: {km#FCA_incomplete_context,#modal_logic}, pm#title: "Modal Logic for Evaluating Formulas in Incomplete Contexts", dc#Creator: "Sergei Obiedkov", pm#in_proceedings of: km#ICCS_2002] ](06/05/2024); //Search time: 0.00019 s, printing time: 0.0009 s (according to the Unix function gettimeofday())