IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
no repeats filter T:Type, P:(T), l:T List. no_repeats(T;l) no_repeats(T;filter(P;l))
By:
((RWO Thm*l:T List. no_repeats(T;l) (x,y:T. x before ylx = y) 0)
(THEN
((RWO
((Thm*l:T List, P:(T), x,y:T.
((Thm* x before y filter(P;l) P(x) & P(y) & x before yl ((0))
THEN
BackThruSomeHyp
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html