Free Groups

Joachim Breitner

24 June 2010


Free Groups are, in a sense, the most generic kind of group. They are defined over a set of generators with no additional relations in between them. They play an important role in the definition of group presentations and in other fields. This theory provides the definition of Free Group as the set of fully canceled words in the generators. The universal property is proven, as well as some isomorphisms results about Free Groups.
BSD License

Change history

[2011-12-11] Added the Ping Pong Lemma.

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