(5steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: unb inf not fin 1 1

1. A : Type
2. Unbounded(A)
3. n : 
4. A ~ n
  False


By: Witness2: n+1


Generated subgoal:

1 5. ((n+1) inj A)
  False

2 steps

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

(5steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc