Sindbad~EG File Manager

Length of proof is 14.  Level of proof is 4.

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

49 [] -Col(xa,xb,xc)|Col(xb,xa,xc).
52 [] Col(xa,xb,xa).
84 [] -sameside(xa,xp,xb)|Col(xa,xp,xb).
88 [] -sameside(xa,xp,xb)|sameside(xb,xp,xa).
166 [] xa=xb|xc=xd| -Col(xa,xb,xc)| -Col(xa,xb,xd)| -Col(xc,xd,xp)|Col(xa,xb,xp).
196 [] -opposite(xa,xp,xq,xc)| -Col(xp,xq,xr)| -sameside(xa,xr,xb)|opposite(xb,xp,xq,xc).
200 [] -opposite(xa,xp,xq,xb)| -samesideline(xa,xb,xp,xq).
202 [] -samesideline(xp,xq,xa,xb)|samesideline(xp,xq,xb,xa).
210 [] xp=xq|Col(xp,xq,xr)|Col(xp,xq,xcs)|samesideline(xr,xcs,xp,xq)|opposite(xr,xp,xq,xcs).
243 [] -sameside(xa,xp,xb)|xb!=xp.
282 [] -samesideline(xa,xb,xp,xq)|xp!=xq.
283 [] -samesideline(xa,xb,xp,xq)| -Col(xp,xq,xa).
284 [] -samesideline(xa,xb,xp,xq)| -Col(xp,xq,xb).
287 [] samesideline(a,b,p,q).
288 [] sameside(a,q,r).
289 [] -samesideline(r,b,p,q).
290 [binary,287.1,284.1] -Col(p,q,b).
291 [binary,287.1,283.1] -Col(p,q,a).
294 [binary,287.1,202.1] samesideline(a,b,q,p).
297 [binary,288.1,243.1] r!=q.
299 [binary,288.1,88.1] sameside(r,q,a).
306 [binary,289.1,202.2] -samesideline(r,b,q,p).
332 [binary,290.1,49.2] -Col(q,p,b).
358 [binary,291.1,49.2] -Col(q,p,a).
368 [binary,299.1,84.1] Col(r,q,a).
383 [binary,294.1,282.1] q!=p.
384 [binary,294.1,200.2] -opposite(a,q,p,b).
561 [ur,166,383,297,52,368,358] -Col(q,p,r).
698 [ur,196,52,299,384] -opposite(r,q,p,b).
812 [ur,210,383,561,332,306] opposite(r,q,p,b).
813 [binary,812.1,698.1] $F.