(10steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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  a:, P:(aProp), f:(a2).
  (i:a. P(i)  f(i) = 1  2)  ({x:a| P(x) } ~ (i:a(f(i))))


By: Auto


Generated subgoal:

1 1. a : 
2. P : aProp
3. f : a2
4. i:a. P(i)  f(i) = 1  2
  {x:a| P(x) } ~ (i:a(f(i)))

8 steps

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

(10steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc