Definition talk:Join of Subgroups

This is simply the join (i.e., smallest upper bound) in the lattice of subgroups of $G$ under inclusion. Worth a mention and a proof. --Lord_Farin (talk) 21:30, 11 September 2012 (UTC)


 * Yeah, there's a proof under way, I was just not in the mood last night. Feel free to add whatever other proofs you like. --prime mover (talk) 05:24, 12 September 2012 (UTC)