Nuprl - Proof: intseg void 1 2

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: intseg void 1 2

1. a :

2. b :

3. b

(

{a..b

})

By:

Analyze

Generated subgoal:

1 4. {a..b}
False
2 steps

About:

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