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Current File : /usr/home/beeson/public_html/michaelbeeson/research/FormalTarski/Proofs/Satz5.12a1.prf

Length of proof is 1.  Level of proof is 1.
 
---------------- PROOF ----------------
 
13 [] E(xa,xb,xa,xb).
102 [] -T(xc,y,xd)| -E(xa,xb,xc,y)|le(xa,xb,xc,xd).
104 [] T(a,b,c).
105 [] -le(a,b,a,c).
159 [hyper,102,104,13] le(a,b,a,c).
160 [binary,159.1,105.1] $F.

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