Steinert App Dictionaries/06-Hopkins-Comment/1909

yin pa mi srid pa'i rtag pa

permanent phenomenon whose occurence is not possible; Comment: There are two types of permanent phenomenon: permanent phenomenon whose occurence is possible (yin pa srid pa'i rtag pa), an illustration of which is the two, permanent and [functioning] thing (rtag dngos gnyis); and permanent phenomenon whose occurence is not possible, an illustration of which is