Countable composition closedness and integer-valued continuous functions in pointfree topology



Abstract. For any archimedean f-ring A with unit in which
a ^ (1


Frames, 0-dimensional frames, integer-valued continuous functions on frames, archimedean Z-rings, countable Z-composition closedness. Subject Classication[2000]: 06F25, 54C30, 54H10.

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Bernhard Banaschewski

Bernhard Banaschewski, Department of Mathematics and Statistics, McMaster Univer-

sity, Hamilton, Ontario, L8S 4K1, Canada.


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