(5steps total) PrintForm Definitions Lemmas LogicSupplement Sections DiscrMathExt Doc
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At: unique fun description2 1 1

1. A : Type
2. B : AType
3. P : x:AB(x)Prop
4. x:A. !y:B(x). P(x,y)
5. x:AB(x)
6. f is the f:(x:AB(x)). x:A. P(x,f(x))
  !{f:(x:AB(x))| x:A. P(x,f(x)) }


By: Analyze-1 THEN CBV-1: g


Generated subgoal:

1 6. x:A. P(x,f(x))
7. g:(x:AB(x)). (x:A. P(x,g(x)))  g = f
  !{f:(x:AB(x))| x:A. P(x,f(x)) }

2 steps

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

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