(7steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: union sigma inverses 1 1 2
1. A : Type
2. B : Type
3. b : B
  sigma_to_union(union_to_sigma(inr(b))) = inr(b)  A+B
By: Compute sigma_to_union(union_to_sigma(inr(b))) * inr(b)

Generated subgoals:

None

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

(7steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc