Sindbad~EG File Manager

Length of proof is 11.  Level of proof is 4.
 
---------------- PROOF ----------------
 
7 [] -T(x,y,x)|x=y.
49 [] -Col(xa,xb,xc)|Col(xc,xb,xa).
110 [] M(xa,xm,xa)|xm!=xa.
186 [] -Col(xa,xb,xc)|xa=xb|xa=xc| -samesideline(xp,xq,xa,xb)|samesideline(xp,xq,xa,xc).
203 [] -samesideline(xp,xq,xa,xb)|samesideline(xp,xq,xb,xa).
227 [] Col(xa,xb,xc)| -T(xc,xa,xb).
241 [] -M(xa,xm,xb)|T(xa,xm,xb).
276 [] -samesideline(xa,xb,xp,xq)|xp!=xq.
281 [] d!=e.
282 [] T(e,d,d1).
283 [] samesideline(a,b,d1,e).
284 [] -samesideline(a,b,d,e).
352 [binary,281.1,7.2] -T(d,e,d).
424 [binary,282.1,227.2] Col(d,d1,e).
621 [binary,283.1,276.1] d1!=e.
630 [binary,283.1,203.1] samesideline(a,b,e,d1).
675 [binary,284.1,203.2] -samesideline(a,b,e,d).
788 [binary,621.1,7.2] -T(d1,e,d1).
962 [binary,352.1,241.2] -M(d,e,d).
1207 [binary,424.1,49.1] Col(e,d1,d).
2137 [binary,788.1,241.2] -M(d1,e,d1).
2317 [binary,962.1,110.1] e!=d.
5555 [binary,2137.1,110.1] e!=d1.
20545 [hyper,186,1207,630,unit_del,5555,2317,675] $F.