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Current File : /usr/home/beeson/public_html/michaelbeeson/research/FormalTarski/Proofs/Satz5.11.prf

Length of proof is 1.  Level of proof is 1.
 
---------------- PROOF ----------------
 
5 [] E(y,ext(x,y,w,v),w,v).
26 [] T(xa1,xa1,xb1).
65 [] le(xa,xb,xc,xd)| -T(xa,xb,xe)| -E(xa,xe,xc,xd).
102 [] -le(a,a,c,d).
106 [binary,102.1,65.1,unit_del,26] -E(a,x,c,d).
107 [binary,106.1,5.1] $F.

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