IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
nsub bij least preimage inverse11 1. a :
2. f : a bij a 3. fa onto a 4. faa 5. Bij(a; a; f) [not for witness]
InvFuns(a;a;f;y.least x:. f(x)=y)
By:
Use:[a | a | f]
Inst: Thm*f:(a onto b). (y.least x:. f(x)=y) b inj a THEN
Analyze-1