(13steps 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: before-upto 2 1 2

1. n : 
2. x : n
3. y : n
4. x<y
  j:2. [xy][j] = upto(n)[((i.if i=0 x else y fi)(j))]


By: Reduce 0


Generated subgoal:

1   j:2. [xy][j] = upto(n)[if j=0 x else y fi]
3 steps

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

(13steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc