(11steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: pairwise-cons 3 2

1. T : Type
2. x : T
3. L : T List
4. P : TTProp
5. i:||L||, j:iP(L[j],L[i])
6. (yL.P(x,y))
7. i : ||[x / L]||
8. j : i
9. j = 0
  P([x / L][j],L[(i-1)])


By: Subst (j ~ (j-1+1)) 0 THENL [Assert (j  );Id]
THEN
RWO Thm* x:Tl:T List, i:||l||. [x / l][(i+1)] ~ l[i] 0


Generated subgoal:

1   P(L[(j-1)],L[(i-1)])
1 step

About:
listconsintnatural_numberaddsubtract
functionuniverseequalmembersqequalprop
all
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(11steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc