IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
connex iff trichot111 1. T : Type
2. R : TTProp
3. a,b:T. Dec(R(a,b))
4. x,y:T. R(x,y) R(y,x)
5. a : T 6. b : T 7. R(a,b)
R(a,b) & R(b,a) R(a,b) & R(b,a) R(b,a) & R(a,b)
By:
(Decide R(b,a)) THEN ProveProp
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html