博弈论 bo2yi4 lun4

博弈 boy2yi4 games (of a competitive nature) gamble+ancient name for wei qi.

论lun4 theory (talking around the wheel)

囚徒困境 qiu2 tu2 kun4 jing4

prisoner+disciple=prisoner (qiu2tu2 tudi de tu)

kun4jing4 predicament (kun4 tired difficulty jing4 border place territory boundary)

kun4jing4 does not appear to indicate the idea of lemma.