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| Description: A one-to-one onto function is an onto function. |
| Ref | Expression |
|---|---|
| f1ofo |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dff1o3 3802 |
. 2
| |
| 2 | 1 | pm3.26bi 320 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1imacnv 3813 resin 3817 f1ococnv2 3819 f1dmex 3821 fo00 3826 isoini 4014 isofrlem 4015 isowe 4017 f1oweALT 4020 curry1 4193 curry2 4196 ncanth 4206 f1imaen 4563 en1 4567 ac6sfilem2 4589 ac6sfi 4591 canth2 4629 ssenen 4651 phplem4 4658 php3 4662 ssfi 4683 unifi 4701 fiint 4703 fodomfi 4709 unbenlem 7716 ruc 7761 infxpidmlem8 7771 infxpidmlem10 7773 infxpidmlem11 7774 infmap2lem1 7791 cnvunop 10122 counop 10125 idunop 10181 elunop2 10217 f1ofi 10778 eqindhome 11047 finsschain 11425 ordiso 11426 compfipin0lem 11492 compfipin0 11493 comptoppr 11495 conntoppr 11504 fbssint 11626 filfm 11706 fcluscomplem 11732 hmeocld 11961 ismtyhmeolem 12006 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-8 1000 ax-10 1002 ax-12 1004 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 |
| This theorem depends on definitions: df-bi 145 df-an 223 df-ex 1017 df-sb 1209 df-clab 1506 df-cleq 1511 df-clel 1514 df-in 2103 df-ss 2105 df-f 3275 df-f1 3276 df-fo 3277 df-f1o 3278 |