fun 1 Sections StandardLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Def Bij(ABf) == Inj(ABf) & Surj(ABf)

is mentioned by

Thm* (f:(AB). Bij(ABf))  (A ~~ B)[bij_iff_1_1_corr]
Thm* f:(AB), g:(BA). InvFuns(ABfg Bij(ABf)[fun_with_inv_is_bij]
Thm* f:(AB). Bij(ABf (g:(BA). InvFuns(ABfg))[bij_imp_exists_inv]

Try larger context: StandardLIB IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

fun 1 Sections StandardLIB Doc