yathārthajñānaṃ ca arthasaṃvādajñānaṃ, hetūtthaguṇajñānaṃ ca kāraṇasamutthaguṇajñānam iti samāhāradvandvaḥ /
"Yathārthajñāna" is cognition of conformity with reality, and "hetūtthaguṇajñāna" is cognition of qualities arising from causes - these form a copulative compound.