《宋史》和《宋元學案》在談及南宋蜀中易學家張行成的學術時皆說,其得譙定易學之“餘意”。譙、張二人似未有直接的傳承關係,那麼,應該如何理解這個“餘意”呢?這個問題值得探討,對於梳理蜀中易學傳承和理解“易學在蜀”的傳統說法或有很大助益。一、張行成易學淵源張行成是蜀中易學大師,他的易學從何而來?是本土還是外來?這個問題得從蜀中易學的傳播說起。宋代蜀中易學很盛,就傳承學脈而言,主要有二。 “Song History” and “Song and Yuan Dynasties Case” When talking about the academician Zhang Xingcheng in Sichuan in the Southern Song Dynasty, he said that his study was “easy to learn”. There is no direct inheritance relation between Zhang and Er and Zhang Er, so how should we understand this “Yu Yi ”? This question deserves to be explored. It is very important to sort out the inheritance and understanding of Yi-ology in Shu. The traditional argument or great help. First, Zhang Xingcheng source of easy origins Zhang Xingcheng is a masters of the Yi-ology in Shu, where his Yi-ology come from? Local or foreign? This question has to talk about the spread of Shu Yi. In the Song Dynasty, Shu Yi was very flourishing, and in terms of inheritance, there are mainly two.