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| Union of two subgroups is not a subgroup unless they are comparable |
| Modification dateThis property is a special property in this wiki. | 15 June 2009 18:13:56 + |
|---|---|
| Page class | Fact + |
| Referenced in | Book:DummitFoote (48, Exercise 8, states only the particular case of proving that the union is a subgroup iff one is contained in the other) + |
| Stated in | Book:DummitFoote (48, Exercise 8, states only the particular case of proving that the union is a subgroup iff one is contained in the other) + |
| Categories | Elementary non-basic facts in group theory |
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