combinatorial set theory造句

例句与造句

1. "' Combinatorial set theory "'concerns extensions of finite combinatorics to infinite sets.
2. In combinatorial set theory, the ErdQ
   s Rado theorem extends Ramsey's theorem to infinite sets.
3. Infinitary combinatorics, or combinatorial set theory, is an extension of ideas in combinatorics to infinite sets.
4. It's difficult to find combinatorial set theory in a sentence. 用combinatorial set theory造句挺难的