ÑāṇavibhaṅgaDasakamātikā

Abhidhammapiṭaka · Vibhaṅga · Vol. 35 · Section 821

[821] Therein, what is wisdom with an internal object (ajjhattārammaṇā paññā)? The wisdom (paññā), the act of understanding, … non-delusion, investigation of dhammas, right view that arises with reference to internal phenomena (dhammā) — this is called wisdom with an internal object. Therein, what is wisdom with an external object (bahiddhārammaṇā paññā)? The wisdom, the act of understanding, … non-delusion, investigation of dhammas, right view that arises with reference to external phenomena — this is called wisdom with an external object. Therein, what is wisdom with an internal and external object (ajjhattabahiddhārammaṇā paññā)? The wisdom, the act of understanding, … non-delusion, investigation of dhammas, right view that arises with reference to internal and external phenomena — this is called wisdom with an internal and external object. Thus is the basis of knowledge (ñāṇavatthu) by threes.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.