birdwatcher (![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
birdwatcher) wrote2005-04-06 09:02 am
birdwatcher) wrote2005-04-06 09:02 am(no subject)
Впервые предложено определение множества. (инструмент обнаружен у ![[livejournal.com profile]](https://www.dreamwidth.org/img/external/lj-userinfo.gif)
some)
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birdwatcher) wrote2005-04-06 09:02 am
some)