| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > f1ores | Unicode version | ||
| Description: The restriction of a one-to-one function maps one-to-one onto the image. (Contributed by NM, 25-Mar-1998.) |
| Ref | Expression |
|---|---|
| f1ores |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1ssres 5540 |
. . 3
| |
| 2 | f1f1orn 5583 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | df-ima 4732 |
. . 3
| |
| 5 | f1oeq3 5562 |
. . 3
| |
| 6 | 4, 5 | ax-mp 5 |
. 2
|
| 7 | 3, 6 | sylibr 134 |
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-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-br 4084 df-opab 4146 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 |
| This theorem is referenced by: f1imacnv 5589 f1oresrab 5800 isores3 5939 isoini2 5943 f1imaeng 6944 f1imaen2g 6945 preimaf1ofi 7118 endjusym 7263 dju1p1e2 7375 fisumss 11903 fprodssdc 12101 ssnnctlemct 13017 eqgen 13764 ushgredgedg 16024 ushgredgedgloop 16026 domomsubct 16367 |
| Copyright terms: Public domain | W3C validator |