Piecewise syndetic set
Results: 4
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1![]() | BROWN’S LEMMA IN SECOND-ORDER ARITHMETIC EMANUELE FRITTAION Abstract. We show that Brown’s lemma is equivalent to IΣ02 over RCA∗0 . We also show that (the infinite) van der Waerden’s theorem is equivalent to BΣAdd to Reading ListSource URL: www.math.tohoku.ac.jpLanguage: English - Date: 2016-02-20 21:08:30 |
2![]() | Some Notions of Size in Partial Semigroups Jillian McLeod1 Abstract. In a semigroup, the combinatorial definitions of syndetic, piecewise syndetic, and IP are equivalent to their algebraic characterizations in terms of βS. WeAdd to Reading ListSource URL: www.mtholyoke.eduLanguage: English - Date: 2004-08-30 19:48:20 |
3![]() | PDF DocumentAdd to Reading ListSource URL: www.mtholyoke.eduLanguage: English - Date: 2004-08-30 19:48:20 |
4![]() | PDF DocumentAdd to Reading ListSource URL: mysite.verizon.netLanguage: English - Date: 2008-10-22 16:03:51 |