《百战奇略·第五卷·奇战》
那么，防守剑阁的姜维军必定回援涪城，钟会所部就可从大道长驱直进；如果剑阁的姜维军不回援，则接应涪城的援兵就很少了。
剑阁之守必还，赴涪，则会方轨而进；剑阁之军不还，则应涪之兵寡矣。
Then, Jiang Wei's army defending Jiange must return to Fucheng for support, and Zhong Hui's troops can advance from the main road; if Jiang Wei's army in Jiange does not return to support, then the reinforcements to meet Fucheng will be very few.