Sindbad~EG File Manager

Length of proof is 10.  Level of proof is 3.

---------------- PROOF ----------------

7 [] -T(xa,xb,xc)|T(xc,xb,xa).
77 [] -Col(xa,xb,xc)|T(xa,xb,xc)|T(xb,xc,xa)|T(xc,xa,xb).
85 [] -Col(x,y,z)|Col(x,z,y).
257 [] -samesideline(u,v,x,y)| -samesideline(v,w,x,y)|samesideline(u,w,x,y).
302 [] -parallel(xA,yA,xB,yB)|xB!=yB.
303 [] -parallel(xA,yA,xB,yB)|samesideline(xB,yB,xA,yA).
313 [] -parallel(u,v,x,y)|parallel(u,v,y,x).
314 [] -parallel(xa1,xa2,xb1,xb2)|xa1=xa2|xb1=xb2| -T(xb1,xb3,xb2)|samesideline(xb1,xb3,xa1,xa2).
315 [] -parallel(xa1,xa2,xb1,xb2)|xa1=xa2|xb1=xb2| -T(xb1,xb2,xb3)|samesideline(xb1,xb3,xa1,xa2).
325 [] parallel(a1,a2,b1,b2).
326 [] a1!=a2.
327 [] b1!=b2.
328 [] Col(b1,b2,b3).
329 [] -samesideline(b1,b3,a1,a2).
330 [binary,325.1,313.1] parallel(a1,a2,b2,b1).
332 [binary,325.1,303.1] samesideline(b1,b2,a1,a2).
449 [binary,328.1,85.1] Col(b1,b3,b2).
482 [ur,315,325,326,327,329] -T(b1,b2,b3).
483 [ur,314,325,326,327,329] -T(b1,b3,b2).
484 (heat=1) [binary,482.1,7.2] -T(b3,b2,b1).
488 [binary,330.1,302.1] b2!=b1.
522 [ur,257,332,329] -samesideline(b2,b3,a1,a2).
527 [binary,449.1,77.1,unit_del,483,484] T(b2,b1,b3).
722 [ur,315,330,326,488,522] -T(b2,b1,b3).
723 [binary,722.1,527.1] $F.