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| Description: A one-to-one onto mapping is a mapping. |
| Ref | Expression |
|---|---|
| f1of |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1of1 3688 |
. 2
| |
| 2 | f1f 3665 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1ofn 3690 f1oabexg 3700 f1imacnv 3705 f1ococnv2 3708 fsn 3834 fopabsn 3840 f1ocnvfv1 3878 f1ocnvfv2 3879 f1ofveu 3882 f1ocnvfv3 3883 f1ocnvdm 3884 isocnv 3896 isotr 3897 isotrALT 3898 mapsn 4345 f1oen2g 4394 en1 4426 mapenlem1 4489 mapenlem2 4490 unifiOLD 4557 uzrdgsuc 6304 uzrdgfnuz 6306 acdc2lem2 7489 acdc5lem2 7492 unbenlem 7504 infxpidmlem9 7560 grpsn 8124 shftefif1olem 8741 effoi 8745 logclt 8758 relogclt 8759 dmadjrnt 9821 unopnormt 9841 unopadjt 9843 unoplint 9844 counopt 9845 idcnop 9905 idhmop 9906 unopbdt 9940 bracnlnt 10042 cnvbravalt 10043 leopnmidt 10071 nmopleidt 10072 hmopidmcht 10081 hmopidmpjt 10082 ghomsn 10388 elsymgrn 10401 symggrpi 10406 symgidi 10407 cayleylem2 10410 homeofval 10516 hmeogrp 10538 eqindhome 10541 hmeobc 10542 1alg 10654 idfisf 10760 |
| 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 3195 df-f1o 3197 |