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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 5590 |
. 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 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3206 df-ss 3213 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 |
| This theorem is referenced by: f1imacnv 5601 f1ococnv2 5611 fo00 5622 isoini 5962 isoselem 5964 f1opw2 6232 f1dmex 6281 bren 6920 f1oeng 6933 en1 6976 mapen 7035 ssenen 7040 phplem4 7044 phplem4on 7057 dif1en 7071 fiintim 7126 fidcenumlemim 7154 supisolem 7210 ordiso2 7237 djuunr 7268 omct 7319 ctssexmid 7352 1fv 10377 hashfacen 11104 fsumf1o 11972 fisumss 11974 fprodf1o 12170 fprodssdc 12172 nninfct 12633 ennnfonelemrn 13061 ennnfonelemnn0 13064 ennnfonelemim 13066 exmidunben 13068 ctinfomlemom 13069 ctinfom 13070 qnnen 13073 enctlem 13074 ssomct 13087 xpsfrn 13454 imasmndf1 13558 imasgrpf1 13720 imasrngf1 13992 imasringf1 14100 znleval 14689 hmeontr 15064 hmeoimaf1o 15065 fsumdvdsmul 15742 eupthvdres 16353 subctctexmid 16660 domomsubct 16661 exmidsbthrlem 16685 sbthomlem 16688 |
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