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| Description: A one-to-one onto function is an onto function. |
| Ref | Expression |
|---|---|
| f1ofo |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dff1o3 4641 |
. 2
| |
| 2 | 1 | simplbi 349 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1imacnv 4656 resin 4660 f1ococnv2 4662 f1dmex 4664 fo00 4669 isoini 4877 isofrlem 4878 isowe 4880 f1oweALT 4883 curry1 5075 curry2 5078 ncanth 5113 f1imaen 5481 en1 5485 ac6sfilem2 5507 ac6sfi 5509 canth2 5548 ssenen 5598 phplem4 5605 php3 5609 ssfi 5630 unifi 5648 fiint 5650 fodomfi 5656 ordiso 5683 unbenlem 8773 ruc 8818 infxpidmlem8 8828 infxpidmlem10 8830 infxpidmlem11 8831 infmap2lem1 8848 fbssint 10279 comptoppr 10332 cnvunop 11479 counop 11482 idunop 11539 elunop2 11575 f1ofi 14376 domrancur1c 14550 rngapm 14733 eqindhome 14895 finsschain 15373 ordisoOLD 15374 compfipin0lem 15435 compfipin0 15436 conntoppr 15445 filfm 15600 fcluscomplem 15620 hmeocld 15900 ismtyhmeolem 15950 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-10 1308 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-an 242 df-3an 860 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-in 2603 df-ss 2605 df-f 4010 df-f1 4011 df-fo 4012 df-f1o 4013 |