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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 5580 |
. 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 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-in 3203 df-ss 3210 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 |
| This theorem is referenced by: f1imacnv 5591 f1ococnv2 5601 fo00 5611 isoini 5948 isoselem 5950 f1opw2 6218 f1dmex 6267 bren 6903 f1oeng 6916 en1 6959 mapen 7015 ssenen 7020 phplem4 7024 phplem4on 7037 dif1en 7049 fiintim 7104 fidcenumlemim 7130 supisolem 7186 ordiso2 7213 djuunr 7244 omct 7295 ctssexmid 7328 1fv 10347 hashfacen 11071 fsumf1o 11917 fisumss 11919 fprodf1o 12115 fprodssdc 12117 nninfct 12578 ennnfonelemrn 13006 ennnfonelemnn0 13009 ennnfonelemim 13011 exmidunben 13013 ctinfomlemom 13014 ctinfom 13015 qnnen 13018 enctlem 13019 ssomct 13032 xpsfrn 13399 imasmndf1 13503 imasgrpf1 13665 imasrngf1 13936 imasringf1 14044 znleval 14633 hmeontr 15003 hmeoimaf1o 15004 fsumdvdsmul 15681 subctctexmid 16453 domomsubct 16454 exmidsbthrlem 16478 sbthomlem 16481 |
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