{nam mkha' mtha' yas, rnam shes mtha' yas, ci yang med pa, yod min med min te skye mched mu bzhi'o} The four formless realms are the four perception-spheres of Infinite Space, Infinite Consciousness, Nothing Whatsoever, and Neither Presence Nor Absence [of Perception]
the four Formless Realms. 1) {nam mkha' mtha' yas}. 2) {rnam shes mtha' yas} 3) {ci yang med pa} 4) {yod min med min}