14365Re: [EMHL] Orthologic Triangles
- Oct 28, 2006Dear Wilson
So I chewed on your ideas.
Are you sure of (1)?
That is to say, if ABC is H-logic with A'B'C', then A'B'C' is H'-logic with
This is true for the centroid and the orthocenter but with other centers,
that seems to me very strange!
On the other hand, (1) is true not only for G but for every affine point.
In other words, let (u,v,w) be a triple of barycentrics with u + v + w = 1
Let P be the point having (u,v,w) as barycentrics wrt ABC;
I will say that ABC is (u,v,w)-logic with A'B'C' if the lines through A',
B', C' respectively parallel to AP, BP, CP concur.
Then if ABC is (u,v,w)-logic with A'B'C', then A'B'C' is also (u,v,w)-logic
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