the three kinds of knowledge, part of {sher phyin dngos po brgyad} 1) {gzhi shes} basic knowledge. 2) {lam shes} knowledge of the subject / basis. 3) {rnam mkhyen} knowledge of the path [to nirvana] knowledge of the ground and the path, and omniscience, cognition of all things. knowledge of a subject, basic knowledge, knowing the way to nirvana