Untergruppen und Äquivalenzrelationen
2005-02-09 15:53
guiltyguy
Im alten Biggs Übung 13.8 (S. 292):
Aufgabe 1:
Let H be a subgroup of G, and define a relation ~ on G by the rule that x~y means x(hoch -1)y € H.
Show that ~ is an equivalence relation and its equivalence classes are the left cosets of H.
Hat da jemand nen Ansatz wie man das zeigen soll?
Aufgabe 1:
Let H be a subgroup of G, and define a relation ~ on G by the rule that x~y means x(hoch -1)y € H.
Show that ~ is an equivalence relation and its equivalence classes are the left cosets of H.
Hat da jemand nen Ansatz wie man das zeigen soll?