IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
injection type functionality wrt ooc1 1. A : Type
2. A' : Type
3. B : Type
4. B' : Type
5. A ~ A' 6. B ~ B' (A injB) ~ (A' injB')
By:
Analyze A ~ A' and B ~ B' and extract facts about cancellation and injection.