(6steps total) Remark PrintForm Definitions LogicSupplement Sections DiscrMathExt Doc
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At: dep ax choice version2 1 1
1. A : Type
2. B : AType
3. Q : x:AB(x)Prop
4. g : x:Ay:B(x)Q(x,y)
5. x : A
  Q(x,1of(g(x)))
By: New:w Witness4 x

Generated subgoal:

1 6. w : y:B(x)Q(x,y)
7. w = g(x)
  Q(x,1of(g(x)))
3 steps

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

(6steps total) Remark PrintForm Definitions LogicSupplement Sections DiscrMathExt Doc