lha rgyan

A short-form reference to Devedrabuddhi (lha dbang blo) and Prajnakaragupta (shes rab 'byung gnas sbas pa, otherwise known as rgyan mkhan po, the "master of the Ornament," presumably a reference to either the Ornament of Mahayana Sutras (mdo sde rgyan) and/or the Ornament for Clear Realization (mngon rtogs rgyan). The phrase "lha rgyan gnyis ka" appears in the Seventh Karmapa Chodrak Gyamtso's (chos grags rgya mtsho) Ocean of Texts on Logic (rigs gzhungs rgya mtsho) on page 115, 3rd line from bottom, of the 1999 Varanasi edition (Kargyud Relief and Protection Committee).