Vaisesika Sūtra 1.1.25

द्वित्वप्रभृतयः संख्याः पृथक्त्वसंयोगविभागाश्च ॥२५॥

dvitva-prabhṛtayaḥ saṅkhyāḥ pṛthaktva-saṁyoga-vibhāgāś ca ॥25॥

[द्वित्व-प्रभृतयः (dvitva-prabhṛtayaḥ) - duality and the like; संख्याः (saṅkhyāḥ) - are numbers; पृथक्त्व-सम्योग-विभागाः (pṛthaktva-saṁyoga-vibhāgāḥ) - separateness, conjunction, and disjunction; च (ca) - and;]

From it comes separateness, multiplicity, individuality, combination, and disjunction as well.