Proofs of the EXACTNESS of Pivot Systems

Thanks for the drawing. I still don't know what you meant about CTE line and 1/8 line, but I don't think that matters. Your drawing does clear up one source of confusion for me - I now know that the "1/8 line" isn't CB edge to OB 1/8 but CB 1/8 to OB 1/8, which is just another way to aim CB edge to OB 1/4 (A or C thin cuts).

Thanks again,

pj
chgo

I just reread this post and also wanted to bump this for Trampsteamer.
Haven't heard from him in awhile, hope your health and you are doing O.K.
This just goes to show where Professor Johnson's math intelligence lay!!
 
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