RT Journal T1 A Syntactic Approach to Knowledge in Finite Games of Perfect Information A1 Wenzhang Zhang PB Front. Econ. China FD 2015-09-15 YR 2015 JF Frontiers of Economics in China JO Front. Econ. China VO 10 IS 3 SP 467 DO 10.3868/s060-004-015-0020-8 K1 knowledge;rationality;backward induction;games of perfect information LK {https://journal.hep.com.cn/fec/EN/article/article_12782.shtml}