Madhvacharya's Dvaita Vedanta and translation of Sarvamoola containing Bhagavad Gita, Upanishads, and Brahmasutra.

Bhagavad Gīta Bhāshya and Tātparya

bhūmirāpo'nalo vāyuḥ khaṁ mano budidhareva ca। ahaṅkāra itīyaṁ me bhinnā prakr̥tiraṣṭadhā ॥4॥

The Earth, the water, the fire, the air, the space, the mind, the intellect, and the ego principle — are the eightfold divisions of the 'Prakrti', the insentient, that is mine.

Lord starts revealing his special knowledge. The 'mahat' principle is implied by the word 'ahaṅkāra', i.e. the ego principle.

pratijñātaṁ jñānam āha - bhūmiḥ ityadinā। mahataḥ ahaṅkāre eva antarbhāvaḥ ॥4॥

Earlier stated knowledge (about the Lord) is declared in 'bhūmiḥ' and subsequent verses. The 'mahat' principle (stated in the standard Sankhya darshana) is also implied by the word 'ahaṅkāra' i.e. the ego principle.

बहुचित्रजगद्बहुधाकरणात् परशक्तिरनन्तगुणः परमः ।
सुखरूपममुष्य पदं परमं स्मरतस्तु भविष्यति तत्सततम् ॥
"The one who has created this variegated vast universe with varied forms has infinite power and is of infinite auspicious qualities. He certainly bestows the highest state of bliss to those who meditate on his ever happy essence." -Dwādasha stōtra 4.3

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