Full Idea
When things are absolutely the same, their coming-into-being and destruction are also the same and so are the agents of their production and destruction.
Gist of Idea
If two things are the same, they must have the same source and origin
Source
Aristotle (Topics [c.331 BCE], 152a02)
Book Reference
Aristotle: 'Posterior Analytics and Topica', ed/tr. Tredennick,H/Forster,ES [Harvard 1960], p.649
A Reaction
Thus Queen Elizabeth II has to be the result of that particular birth, and from those particular parents, as Kripke says? The inverse may not be true. Do twins have a single origin? Things that fission and then re-fuse differently? etc