AN 5.28

seyyathā'pi, bhikkhave, añño'va aññaṃ paccavekkheyya, ṭhito vā nisinnaṃ paccavekkheyya, nisinno vā nipannaṃ paccavekkheyya.

AN 5.95

idha, bhikkhave, bhikkhu atthapaṭisambhidāpatto hoti, dhammapaṭisambhidāpatto hoti, niruttipaṭisambhidāpatto hoti, paṭibhānapaṭisambhidāpatto hoti, yathāvimuttaṃ cittaṃ paccavekkhati.