Vaisesika Sūtra 10.2.07

संयुक्तसमवायादग्नेर्वैशेषिकम् ॥७॥

saṁyukta-samavāyāt agneḥ vaiśeṣikam ॥7॥

[संयुक्तसमवायात् (saṁyukta-samavāyāt) - due to conjunctional inherence; अग्नेः (agneḥ) - of fire; वैशेषिकम् (vaiśeṣikam) - specific quality;]

The specific quality of fire arises from the conjunction of inherences.