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| Description: A one-to-one onto function is an onto function. |
| Ref | Expression |
|---|---|
| f1ofo |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1o3 3700 |
. 2
| |
| 2 | 1 | pm3.26bi 322 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1imacnv 3711 f1ococnv2 3714 f1dmex 3716 fo00 3721 isoini 3906 isofrlem 3907 isowe 3909 f1oweALT 3912 ncanth 3914 curry1 4104 f1imaen 4428 en1 4432 canth2 4490 ssenen 4510 phplem4 4517 php3 4521 php3OLD 4522 ssfi 4547 ssfiOLD 4548 unifiOLD 4570 fiint 4572 fiintOLD 4573 fodomfi 4575 fodomfiOLD 4576 unbenlem 7505 ruc 7550 infxpidmlem8 7560 infxpidmlem10 7562 infxpidmlem11 7563 infmap2lem1 7581 cnvunopt 9837 counopt 9840 idunop 9897 elunop2t 9933 eqindhome 10527 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-8 966 ax-10 968 ax-12 970 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-10o 1142 ax-16 1212 ax-11o 1220 ax-ext 1462 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 983 df-sb 1174 df-clab 1467 df-cleq 1472 df-clel 1475 df-in 2054 df-ss 2056 df-f 3200 df-f1 3201 df-fo 3202 df-f1o 3203 |