Trika Shastra is an ancient text associated with Kashmir Shaivism. It has three divisions, the Agama Shastra, the Spanda Shastra and the Pratyabhijna Shastra.
Agama-Shastra deals with ritualistic and mystic practices. Spanda Shastra gives the main principles of Shaivism, and Pratyabhijna Shastra, is a system of logic and philosophy. Tantraloka is a comprehensive summary of Trika Shastra.
