Ch 17 Yoga of the Discernment of tri-fold Śraddhā (Part 2)
There are four kinds of activities of the buddhi. The first is analysis which means separating the object of inquiry into its constituent elements. The second is classification which is grouping the various components and properties of the object of inquiry. The third is causality which is identifying the cause-effect relationship as well as the estimation of the amount of a certain substance needed to achieve a specific effect.
