Sindbad~EG File Manager

Length of proof is 11.  Level of proof is 2.
 
---------------- PROOF ----------------
 
269 [] -samesideline(xa,xb,xp,xq)|Col(xp,xq,ss1(xa,xb,xp,xq)).
270 [] -samesideline(xa,xb,xp,xq)|Col(xp,xq,ss2(xa,xb,xp,xq)).
271 [] -samesideline(xa,xb,xp,xq)|T(xa,ss1(xa,xb,xp,xq),ss3(xa,xb,xp,xq)).
272 [] -samesideline(xa,xb,xp,xq)|T(xb,ss2(xa,xb,xp,xq),ss3(xa,xb,xp,xq)).
273 [] -samesideline(xa,xb,xp,xq)|xa!=ss1(xa,xb,xp,xq).
274 [] -samesideline(xa,xb,xp,xq)|xb!=ss2(xa,xb,xp,xq).
275 [] -samesideline(xa,xb,xp,xq)|ss3(xa,xb,xp,xq)!=ss1(xa,xb,xp,xq).
276 [] -samesideline(xa,xb,xp,xq)|ss3(xa,xb,xp,xq)!=ss2(xa,xb,xp,xq).
278 [] -samesideline(xa,xb,xp,xq)| -Col(xp,xq,xa).
279 [] -samesideline(xa,xb,xp,xq)| -Col(xp,xq,xb).
280 [] -T(xa,xu,xc)| -T(xb,xv,xc)| -Col(xp,xq,xu)| -Col(xp,xq,xv)|xp=xq|xc=xu|xc=xv|xa=xu|xb=xv|Col(xp,xq,xa)|Col(xp,xq,xb)|samesideline(xa,xb,xp,xq).
282 [] a!=b.
283 [] samesideline(p,q,a,b).
284 [] -samesideline(q,p,a,b).
420 [binary,283.1,279.1] -Col(a,b,q).
421 [binary,283.1,278.1] -Col(a,b,p).
422 [binary,283.1,276.1] ss3(p,q,a,b)!=ss2(p,q,a,b).
423 [binary,283.1,275.1] ss3(p,q,a,b)!=ss1(p,q,a,b).
424 [binary,283.1,274.1] q!=ss2(p,q,a,b).
425 [binary,283.1,273.1] p!=ss1(p,q,a,b).
426 [binary,283.1,272.1] T(q,ss2(p,q,a,b),ss3(p,q,a,b)).
427 [binary,283.1,271.1] T(p,ss1(p,q,a,b),ss3(p,q,a,b)).
428 [binary,283.1,270.1] Col(a,b,ss2(p,q,a,b)).
429 [binary,283.1,269.1] Col(a,b,ss1(p,q,a,b)).
28333 [ur,280,426,427,428,282,422,423,424,425,420,421,284] -Col(a,b,ss1(p,q,a,b)).
28334 [binary,28333.1,429.1] $F.