यदा वा प्रयातः कर्शयितुमुच्छेतुं वा शक्नुयादमित्रं तदा यायात् ॥ कZ_०९.१.४४ ॥
yadā vā prayātaḥ karśayitum ucchetuṃ vā śaknuyād amitraṃ tadā yāyāt
或者,只有在——出军之后——能够削弱或连根铲除敌人时,才应进军。
A capability-to-effect test: do not mobilize unless the operation can plausibly impose significant degradation or regime-level removal of the opponent’s power.