上屋抽梯/Shang Wu Chou Ti – Climb to the Roof, Remove the Ladder
Original Text: Deceive him in order to incite him to advance, cut off his aid’s ability to respond, & he will die in the trap. This is encountering poison in an unsuitable place.
Analysis: Deliberatly allow the enemy to take advantage of an opportunity, entice him to deeply penetrate your side & cut off his back up, causing him to fall into an impasse & encounter disaster. This is the result of greedily pursuing undeserved gains.