तेषां ज्यायसोऽधिकेनांशेन समात्समेन हीनाद्द् हीनेनेति समसंधिः ॥ कZ_०७.७.०४ ॥
teṣāṃ jyāyaso'dhikenāṃśena samātsamena hīnādd hīneneti samasaṃdhiḥ
Among them, an ‘equal treaty’ (sama-saṃdhi) is: with a superior, by granting a larger share; with an equal, by an equal share; with an inferior, by a smaller share.
Because ‘equality’ here means stability appropriate to relative power: the distribution is calibrated so the agreement is sustainable given the power ratio.