I know there's a term for 'by deciding to act one way, you've precluded acting any other way' — I've
checked categorical imperative, but I'm looking for some term I've heard lately that's less moralistic,
and more just practical. Hm.
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Well, there's jacta alea est,the die is cast; attributed to Caesar on crossing the Rubicon. And there's
always "crossing the Rubicon".