(4steps total) Remark PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: mul assoc from cross assoc 1 1

1. a : 
2. b : 
3. c : 
  (abc) ~ (abc)


By: Repeat Rewrite by Thm*  a,b:. (ab) ~ (ab) ...w


Generated subgoal:

1   (abc) ~ ((ab)c)
1 step

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

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