The article formalizes the Cayley's theorem saying that every group G is isomorphic to a subgroup of the symmetric group on G.
@article{bwmeta1.element.doi-10_2478_v10037-011-0030-5, author = {Artur Korni\l owicz}, title = {Cayley's Theorem}, journal = {Formalized Mathematics}, volume = {19}, year = {2011}, pages = {223-225}, zbl = {1276.20002}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_v10037-011-0030-5} }
Artur Korniłowicz. Cayley's Theorem. Formalized Mathematics, Tome 19 (2011) pp. 223-225. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_v10037-011-0030-5/
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