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| Description: A one-to-one onto function is an onto function. |
| Ref | Expression |
|---|---|
| f1ofo |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1o3 3694 |
. 2
| |
| 2 | 1 | pm3.26bi 322 |
1
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| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1imacnv 3705 f1ococnv2 3708 f1dmex 3710 fo00 3715 isoini 3900 isofrlem 3901 isowe 3903 f1oweALT 3906 ncanth 3908 curry1 4098 f1imaen 4422 en1 4426 canth2 4484 ssenen 4504 phplem4 4511 php3 4515 php3OLD 4516 ssfi 4537 ssfiOLD 4538 unifiOLD 4557 fiint 4559 fiintOLD 4560 fodomfiOLD 4566 unbenlem 7504 ruc 7549 infxpidmlem8 7559 infxpidmlem10 7561 infxpidmlem11 7562 infmap2lem1 7579 cnvunopt 9842 counopt 9845 idunop 9902 elunop2t 9938 eqindhome 10541 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-12 968 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 981 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 df-in 2051 df-ss 2053 df-f 3194 df-f1 3195 df-fo 3196 df-f1o 3197 |