数学
+
–
The study or use of numbers and shapes to calculate, represent, or describe things.
—, 18,320 3:02
方法 Negative Cardinality
A mathematical set property of having less than 0 elements (Just like antimatter in Physics.)
企画 Quantitative Cardinality Sets Project
Brining sets with quantifiabiable cardinality into common use in mathematics.
+[発想]
+[企画]
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?