IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
l before filter T:Type, l:T List, P:(T), x,y:T.
x before y filter(P;l) P(x) & P(y) & x before yl
By:
Unfold `l_before` 0 THEN UnivCD
THEN
RWO Thm*L1,L2:T List, P:(T). L2 filter(P;L1) L2L1 & (xL2.P(x)) 0
THEN
RWW Thm*P:(TProp), x:T, L:T List. (y[x / L].P(y)) P(x) & (yL.P(y)) 0
THEN
Easy
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html