A Note on Free Topological Groupoids
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J. P. L. Hardy; Sidney A. Morris
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Article
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1977
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John Wiley and Sons
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English
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## Introduction. In [ll] MARKOV introduced the concept of a free topological group F(X) on a topological space X and showed that, if X is any completely regular HAUSDORFF space, then F ( X ) exists, is HAUSDORFF, and the canonical (1964).