(12steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: nsub surj least preimage works gen

  B:Type, e:(BB).
  IsEqFun(B;e (a:f:(a onto B), y:Bf(least x:. (f(x)) e y) = y)


By: Auto


Generated subgoal:

1 1. B : Type
2. e : BB
3. IsEqFun(B;e)
4. a : 
5. f : a onto B
6. y : B
  f(least x:. (f(x)) e y) = y

11 steps

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

(12steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc