familiar; conditioned; trained perceptions Comment: There are five types of prime cognitions which induce ascertainment by themselves (rang las nges kyi tshad ma)—sense direct prime cognitions having a familiar object (don goms pa can gyi dbang mngon gyi tshad ma), sense direct prime cognitions to which the ability to perform a function appears (don byed snang can gyi dbang mngon gyi tshad ma), self-knowing direct prime cognitions (rang rig mngon gyi tshad ma), yogic direct prime cognitions (rnal 'byor mngon sum gyi tshad ma), and inferential prime cognitions (rjes su dpag pa'i tshad ma).