Talk:Complemented lattice
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Uniquely complemented but not orthocomplemented?
[edit]I wonder if the obvious involution in a uniquely complemented lattice is an orthocomplementation. --Hans Adler (talk) 15:11, 7 February 2008 (UTC)
Complemented Distributed Lattice
[edit]"In distributive lattices, complements are unique." Add if they exist
Not all distributive lattices have a complement for every element. And not all complemented lattices are distributive. So the next sentence should make it clear:
"Every complemented distributive lattice ..." is talking about a subset of complemented lattices and a subset of distributive lattices. This map shows it clearly.