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| Description: A one-to-one onto mapping is a mapping. |
| Ref | Expression |
|---|---|
| f1of |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1of1 3683 |
. 2
| |
| 2 | f1f 3660 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1ofn 3685 f1oabexg 3695 f1imacnv 3700 f1ococnv2 3703 fsn 3829 fopabsn 3835 f1ocnvfv1 3873 f1ocnvfv2 3874 f1ofveu 3877 f1ocnvfv3 3878 f1ocnvdm 3879 isocnv 3891 isotr 3892 isotrALT 3893 mapsn 4338 f1oen2g 4384 en1 4416 mapenlem1 4478 mapenlem2 4479 unifi 4541 uzrdgsuc 6254 uzrdgfnuz 6256 acdc2lem2 7448 acdc5lem2 7451 unbenlem 7464 infxpidmlem9 7520 grpsn 8088 ablsn 8089 shftefif1olem 8696 effoi 8700 logclt 8713 relogclt 8714 dmadjrnt 9778 unopnormt 9798 unopadjt 9800 unoplint 9801 counopt 9802 idcnop 9862 idhmop 9863 unopbdt 9896 bracnlnt 9998 cnvbravalt 9999 leopnmidt 10027 nmopleidt 10028 hmopidmcht 10037 hmopidmpjt 10038 ghomsn 10344 elsymgrn 10357 symggrpi 10362 symgidi 10363 cayleylem2 10366 homeofval 10462 hmeogrp 10484 1alg 10570 idfisf 10670 |
| 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 147 df-an 225 df-f1 3191 df-f1o 3193 |