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| Description: A one-to-one onto mapping is a mapping. |
| Ref | Expression |
|---|---|
| f1of |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1of1 3764 |
. 2
| |
| 2 | f1f 3740 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1ofn 3766 f1oabexg 3776 f1imacnv 3781 f1ococnv2 3784 fsn 3910 fopabsn 3916 f1ocnvfv1 3954 f1ocnvfv2 3955 f1ofveu 3958 f1ocnvfv3 3959 f1ocnvdm 3960 isocnv 3972 isotr 3973 isotrALT 3974 mapsn 4432 f1oen2g 4481 en1 4513 mapenlem1 4578 mapenlem2 4579 unifi 4642 uzrdgsuci 6597 uzrdgfnuzi 6599 acdc2lem2 7614 acdc5lem2 7617 unbenlem 7629 infxpidmlem9 7685 grpsn 8243 shftefif1olem 8860 effoi 8864 logcl 8877 relogcl 8878 dmadjrn 9939 unopnorm 9959 unopadj 9961 unoplin 9962 counop 9963 idcnop 10022 idhmop 10023 unopbd 10057 bracnln 10159 cnvbraval 10160 leopnmid 10188 nmopleid 10189 hmopidmch 10198 hmopidmpj 10199 ghomsn 10509 elsymgrn 10522 symggrpi 10527 symgidi 10528 cayleylem2 10531 homeofval 10652 hmeogrp 10674 eqindhome 10677 hmeobc 10678 1alg 10789 idfisf 10902 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 145 df-an 223 df-f1 3250 df-f1o 3252 |