(4steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: nsub add

  c,a,b:a+b = c    ((a+b) ~ c)

By: Auto


Generated subgoal:

1 1. c : 
2. a : 
3. b : 
4. a+b = c  
  (a+b) ~ c

3 steps

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

(4steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc