Veṅkaṭanātha’s epistemology, ontology and theology

In the world-view of a fundamental Viśiṣṭādvaita Vedānta teacher like Vedānta Deśika (1269–1370, aka Veṅkaṭanātha), theology is the center of the system and epistemology and ontology assume their role and significance only through their relationship with this center.