(5steps total) Remark PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: sum via intseg split pluck 2
  is_assoc_sep(; (x,y. x+y))
By: Analyze THEN Reduce Concl

Generated subgoal:

1 1. x : 
  y@0,y:. x+y@0+y = x+y@0+y
Auto

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

(5steps total) Remark PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc