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| Description: A one-to-one onto mapping is a mapping. |
| Ref | Expression |
|---|---|
| f1of |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1of1 3673 |
. 2
| |
| 2 | f1f 3650 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1ofn 3675 f1oabexg 3685 f1imacnv 3690 f1ococnv2 3693 fsn 3819 fopabsn 3825 f1ocnvfv1 3863 f1ocnvfv2 3864 f1ofveu 3867 f1ocnvfv3 3868 f1ocnvdm 3869 isocnv 3881 isotr 3882 isotrALT 3883 mapsn 4329 f1oen2g 4375 en1 4407 mapenlem1 4469 mapenlem2 4470 unifi 4532 uzrdgsuc 6241 uzrdgfnuz 6243 acdc2lem2 7431 acdc5lem2 7434 unbenlem 7447 infxpidmlem9 7503 grpsn 8061 ablsn 8062 shftefif1olem 8661 shftefif1olemOLD 8662 effoi 8666 effoiOLD 8667 logclt 8680 relogclt 8681 dmadjrnt 9738 unopnormt 9757 unopadjt 9759 unoplint 9760 counopt 9761 idcnop 9821 idhmop 9822 unopbdt 9855 bracnlnt 9955 cnvbravalt 9956 leopnmidt 9982 nmopleidt 9983 hmopidmcht 9992 hmopidmpjt 9993 ghomsn 10293 elsymgrn 10306 symggrpiOLD 10311 symgidiOLD 10312 symggrpi 10313 symgidi 10314 cayleylem2 10317 homeofval 10403 hmeogrp 10425 1alg 10498 |
| 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 3185 df-f1o 3187 |