(22steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: card boolset vs mset 1 1

1. a : 
2. k : 
  (p,i. if p(i) 1 else 0 fi)  (a {k} )a {k} 2


By: Def of a {k}  | a {k} 2 THEN Analyze-1 THEN Analyze


Generated subgoal:

1 3. p : a
4. size(a)(p) = k
  Msize(i.if p(i) 1 else 0 fi) = k

1 step

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

(22steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc