𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Efimovʼs problem and Boolean algebras

✍ Scribed by Dow, Alan; Pichardo-Mendoza, Roberto


Book ID
121317405
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
474 KB
Volume
160
Category
Article
ISSN
0166-8641

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📜 SIMILAR VOLUMES


Closure Algebras and Boolean Algebras
✍ G. J. Logan 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 212 KB

## S(z A y ) z S(A), by (c) * S(z) A S(Y) 2 S(A) e S(x) 2 S(A) and S(y) 2 S(A) e C ( s ) s C ( A ) 'and C ( y ) E C ( A ) , by (c) o x € C ( A ) and Y E C ( A ) . Now every ultrafilter is consistent and closed with respect to C, since if U is an ultrafilter and C ( U ) = X , then C({,uu,, . . ., ,