| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 5622 |
. 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 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-in 3219 df-ss 3226 df-f 5358 df-f1 5359 df-fo 5360 df-f1o 5361 |
| This theorem is referenced by: f1imacnv 5633 f1ococnv2 5643 fo00 5654 isoini 5993 isoselem 5995 f1opw2 6263 f1dmex 6311 bren 6985 f1oeng 6998 en1 7041 mapen 7101 ssenen 7107 phplem4 7111 phplem4on 7124 dif1en 7138 fiintim 7193 fidcenumlemim 7224 supisolem 7301 ordiso2 7328 djuunr 7359 omct 7410 ctssexmid 7443 1fv 10477 hashfacen 11212 fsumf1o 12080 fisumss 12082 fprodf1o 12278 fprodssdc 12280 nninfct 12741 ennnfonelemrn 13187 ennnfonelemnn0 13190 ennnfonelemim 13192 exmidunben 13194 ctinfomlemom 13195 ctinfom 13196 qnnen 13199 enctlem 13200 ssomct 13213 xpsfrn 13580 imasmndf1 13684 imasgrpf1 13846 imasrngf1 14118 imasringf1 14226 znleval 14818 hmeontr 15195 hmeoimaf1o 15196 fsumdvdsmul 15876 eupthvdres 16487 subctctexmid 16791 domomsubct 16792 exmidsbthrlem 16819 sbthomlem 16822 |
| Copyright terms: Public domain | W3C validator |