hi jjo mathew,
taking about completeness of graph,
well it had been already already discussed in reply #32166
well i already had pointed my view about the significance of the both nagative and positve panelity in above replies….
i suggest you to go through them, and then discuss what can you point out from them here.(you thought about the signifance of graph may vary)
that is why we are discussing it here and want to have some conclusive remarks about the query.
with regards