(18steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: next nat pair vs prev nat pair 2 1 2 1 1 1
1. y1 : 
2. y2 : 
3. <y1,y2> = <0,0>
4. <0,y2-1+1> = <0,0>
5. y1 = 0
  <y1,y2> = <0,0>  
By: Analyze-2 THEN Reduce Hyp:-3 THEN Reduce Hyp:-2

Generated subgoal:

1 4. 0 = 0  
5. y2-1+1 = 0  
6. y1 = 0
  <y1,y2> = <0,0>  
1 step

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

(18steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc