Sindbad~EG File Manager

Current Path : /usr/home/beeson/public_html/michaelbeeson/research/FormalTarski/Proofs/
Upload File :
Current File : /usr/home/beeson/public_html/michaelbeeson/research/FormalTarski/Proofs/Satz4.17.prf

Length of proof is 2.  Level of proof is 2.
 
---------------- PROOF ----------------
 
13 [] E(xa,xb,xa,xb).
55 [] -FS(xa,xb,xc,xd,xa1,xb1,xc1,xd1)|xa=xb|E(xc,xd,xc1,xd1).
74 [] -E(xa1,xa2,xb1,xb2)| -E(xa1,xa3,xb1,xb3)| -E(xa2,xa3,xb2,xb3)|E3(xa1,xa2,xa3,xb1,xb2,xb3).
83 [] -Col(xa,xb,xc)| -E3(xa,xb,xc,xa1,xb1,xc1)| -E(xa,xd,xa1,xd1)| -E(xb,xd,xb1,xd1)|FS(xa,xb,xc,xd,xa1,xb1,xc1,xd1).
84 [] a!=b.
85 [] Col(a,b,c).
86 [] E(a,p,a,q).
87 [] E(b,p,b,q).
88 [] -E(c,p,c,q).
283 [ur,55,84,88] -FS(a,b,c,p,x,y,c,q).
20037 [ur,83,85,86,87,283] -E3(a,b,c,a,b,c).
20043 [binary,20037.1,74.4,unit_del,13,13,13] $F.

Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists