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| Mirrors > Home > ILE Home > Th. List > f1ofo | Unicode version | ||
| Description: A one-to-one onto function is an onto function. (Contributed by NM, 28-Apr-2004.) |
| Ref | Expression |
|---|---|
| f1ofo |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dff1o3 5598 |
. 2
| |
| 2 | 1 | simplbi 274 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3207 df-ss 3214 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 |
| This theorem is referenced by: f1imacnv 5609 f1ococnv2 5619 fo00 5630 isoini 5969 isoselem 5971 f1opw2 6239 f1dmex 6287 bren 6960 f1oeng 6973 en1 7016 mapen 7075 ssenen 7080 phplem4 7084 phplem4on 7097 dif1en 7111 fiintim 7166 fidcenumlemim 7194 supisolem 7267 ordiso2 7294 djuunr 7325 omct 7376 ctssexmid 7409 1fv 10436 hashfacen 11163 fsumf1o 12031 fisumss 12033 fprodf1o 12229 fprodssdc 12231 nninfct 12692 ennnfonelemrn 13120 ennnfonelemnn0 13123 ennnfonelemim 13125 exmidunben 13127 ctinfomlemom 13128 ctinfom 13129 qnnen 13132 enctlem 13133 ssomct 13146 xpsfrn 13513 imasmndf1 13617 imasgrpf1 13779 imasrngf1 14051 imasringf1 14159 znleval 14749 hmeontr 15124 hmeoimaf1o 15125 fsumdvdsmul 15805 eupthvdres 16416 subctctexmid 16722 domomsubct 16723 exmidsbthrlem 16750 sbthomlem 16753 |
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