(3steps total) PrintForm Definitions FTA Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: reduce factorization wf 1 1

1. a : 
2. b : 
3. f : {a..b}
4. j : {a..b}
5. 0<f(j)
6. i : {a..b}
7. i = j
  f(i)-1  


By: Rewrite5 by i = j


Generated subgoals:

None

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

(3steps total) PrintForm Definitions FTA Sections DiscrMathExt Doc