IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
nsub bij least preimage inverse111111 1. a :
2. f : a bij a 3. fa onto a 4. faa 5. Bij(a; a; f)
6. (y.least x:. f(x)=y) aa 7. Inj(a; a; y.least x:. f(x)=y)
8. x : a 9. f(least x@0:. f(x@0)=f(x)) = f(x)
Inj(a; a; f)
By:
BackThru: Bij(a; a; f)
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html