Sage 6.1.1, dot2tex-2.8.7.p2 installed. This works
Poset(([0,1,2,3,4,5,6,7], [[0, 1], [0, 2], [1, 4], [1, 3], [2, 4], [2, 5],
[4, 6], [6, 7], [3, 7], [5, 7]])).show()
This poset/lattice is "symmetric", i.e. when putting 0, 4, 6 and 7 to
line, it is easy to see that changing 3<->5 or 1<->2 makes isomorphic
lattice.
Are there any plans for better show()-function(s)? Something that could
see symmetries, avoid crossing lines when possible etc?
--
Jori Mäntysalo
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