Vaiśeṣika Sūtra 2.2.19

2.2.19

sāmānyapratyakṣād viśeṣāpratyakṣād viśeṣasmṛteś ca saṃśayaḥ |

sāmānya-pratyakṣāt—from the perception of the Genus or general property; viśeṣāpratyakṣāt—from the non-preception of the Species or special property or differentia; viśeṣasmṛteḥ—from the recollection of particulars, i; e., alternatives. ca—and; saṃśayaḥ—doubt.

17. Doubt arises from the perception of (the object containing) the general property, the non-perception of the differentia, and the recollection of the alternatives, all at once or in one act of thought.

[Read sūtra 2.2.17 above]