(11steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: nsub inj lop typing 1 1 1 1 1

1. a : 
2. b : 
3. f : ab
4. Inj(abf)
5. x : (a-1)
6. f(x) = f(a-1)  x = a-1
  f(x) = f(a-1)


By: SimilarTo: Hyp:-1


Generated subgoals:

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

(11steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc