идея Negative Cardinality
A mathematical set property of having less than 0 elements (Just like antimatter in Physics.)
проект Quantitative Cardinality Sets Project
Brining sets with quantifiabiable cardinality into common use in mathematics.
+[идея]
+[проект]
Wikipedia:Mathematics
I'm thinking that our interests should extract the most useful info from the Wikipedia here, for someone understand the subject domain, tweet-like wikipedia articles possible?
