| 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 5648 |
. 2
| |
| 2 | 1 | simplbi 274 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 |
| This theorem is used by: f1imacnv 5659 f1ococnv2 5669 fo00 5680 isoini 6027 isoselem 6029 f1opw2 6299 f1dmex 6349 bren 7036 f1oeng 7049 en1 7092 mapen 7152 ssenen 7158 phplem4 7162 phplem4on 7175 dif1en 7189 fiintim 7244 fidcenumlemim 7276 supisolem 7354 ordiso2 7381 djuunr 7412 omct 7463 ctssexmid 7496 1fv 10562 hashfacen 11305 fsumf1o 12181 fisumss 12183 fprodf1o 12379 fprodssdc 12381 nninfct 12842 ballotfilemro 13323 ennnfonelemrn 13367 ennnfonelemnn0 13370 ennnfonelemim 13372 exmidunben 13374 ctinfomlemom 13375 ctinfom 13376 qnnen 13379 enctlem 13380 ssomct 13393 xpsfrn 13729 imasmndf1 13819 imasgrpf1 13973 imasrngf1 14362 imasringf1 14478 znleval 15096 hmeontr 15556 hmeoimaf1o 15557 fsumdvdsmul 16302 eupthvdres 16938 subctctexmid 17252 domomsubct 17253 exmidsbthrlem 17290 sbthomlem 17293 |
| Copyright terms: Public domain | W3C validator |