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Current File : /usr/home/beeson/public_html/michaelbeeson/research/FormalTarski/Proofs/Satz4.12b.prf

Length of proof is 1.  Level of proof is 1.
 
---------------- PROOF ----------------
 
26 [] T(xa1,xa1,xb1).
74 [] Col(xa,xb,xc)| -T(xc,xa,xb).
80 [] -Col(a,b,a).
81 [binary,80.1,74.1] -T(a,a,b).
82 [binary,81.1,26.1] $F.

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