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visits member for 1 year, 11 months
seen Jan 9 '13 at 14:08

Oct
25
awarded  Popular Question
Jan
8
awarded  Scholar
Jan
8
accepted What is formula for multiple two finite series?
Jan
8
awarded  Supporter
Jan
8
asked What is formula for multiple two finite series?
Jan
7
comment How to Simplify this to the given answer? (matrix equation, trig functions)
I want to use simplify rows Not inverse.
Jan
7
comment How to Simplify this to the given answer? (matrix equation, trig functions)
this is a part of a problem,
Jan
7
asked How to Simplify this to the given answer? (matrix equation, trig functions)
Jan
4
comment Problem about Hasse diagrams
What is "\vee ", " \wedge", "\ \cdot\ \cdot\ "?
Jan
4
comment Problem about Hasse diagrams
Thanks.Can you give me a Hasse diagram that is not lattice?
Jan
4
comment Problem about Hasse diagrams
I guess the third diagram is lattice(with doubt)
Jan
4
comment Problem about Hasse diagrams
yes,I guess second diagram is lattice .
Jan
4
comment Problem about Hasse diagrams
But I need a tutorial or complete explain about lattice.
Jan
4
awarded  Student
Jan
4
comment Problem about Hasse diagrams
I know lattice:"A partially ordered set in which every pair of elements has both a least upper bound and a greatest lower bound is called a lattice"and i think first diagram is lattice.
Jan
4
asked Problem about Hasse diagrams