# Van Kampen's theorem result

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Type of Math Object:
Result
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Reference

## Mathematics Subject Classification

### van Kampen's theorem

I would be grateful if the reference to R. Brown's book â€œTopology: a geometric account of general topology and the fundamental groupoidâ€?, Ellis Horwood 1988 could also mention the latest edition `Topology and Groupoids' Booksurge PLC, 2006, which is available on amazon.com

Ronnie Brown