Brahma Sūtra 2.2.23
Śaṅkara
Advaita Vedānta
Numbered 2.2.24 in this text
Sūtra
आकाशे चाविशेषात्
ākāśe cāviśeṣāt
Sūtra translation
And in the case of space also (the doctrine of its being a non-entity is untenable) on account of its not differing (from the two other kinds of non-entity).
We have shown so far that of the triad declared by the Bauddhas to be devoid of all positive characteristics, and therefore non-definable, two
Rāmānuja
Viśiṣṭādvaita Vedānta
Sūtra
आकाशे चाविशेषात्
ākāśe cāviśeṣāt
Sūtra translation
And in the case of space also, on account of there being no difference.
In order to prove the permanency of external and internal things, we have disproved the view that the two forms of destruction called pratisankhyâ
Madhva
Dvaita Vedānta
Numbered 2.2.24 in this text
Sūtra
आकाशे चाविशेषात्
ākāśe cāviśeṣāt
Sūtra translation
And (the contrary is proved), as in the case of space by the absence of change.
It may be said that in the same way as momentary existence is proved in the case of light, etc-, from the observation of