(3steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: ndiff wf nat

  a,b:. (a -- b 

By: Def of a -- b


Generated subgoal:

1 1. a : 
2. b : 
  imax(a-b;0)  

2 steps

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

(3steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc