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| Description: An isomorphism preserves well ordering. Proposition 6.32(3) of [TakeutiZaring] p. 33. |
| Ref | Expression |
|---|---|
| isowe |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isofr 4879 |
. . 3
| |
| 2 | isorel 4871 |
. . . . . 6
| |
| 3 | f1fveq 4852 |
. . . . . . . 8
| |
| 4 | isof1o 4870 |
. . . . . . . . 9
| |
| 5 | f1of1 4634 |
. . . . . . . . 9
| |
| 6 | 4, 5 | syl 12 |
. . . . . . . 8
|
| 7 | 3, 6 | sylan 497 |
. . . . . . 7
|
| 8 | 7 | bicomd 580 |
. . . . . 6
|
| 9 | isorel 4871 |
. . . . . . 7
| |
| 10 | 9 | ancom2s 545 |
. . . . . 6
|
| 11 | 2, 8, 10 | 3orbi123d 1167 |
. . . . 5
|
| 12 | 11 | 2ralbidva 2138 |
. . . 4
|
| 13 | f1ofo 4643 |
. . . . 5
| |
| 14 | breq2 3342 |
. . . . . . . . 9
| |
| 15 | eqeq2 1893 |
. . . . . . . . 9
| |
| 16 | breq1 3341 |
. . . . . . . . 9
| |
| 17 | 14, 15, 16 | 3orbi123d 1167 |
. . . . . . . 8
|
| 18 | 17 | cbvfo 4861 |
. . . . . . 7
|
| 19 | 18 | ralbidv 2123 |
. . . . . 6
|
| 20 | breq1 3341 |
. . . . . . . . 9
| |
| 21 | eqeq1 1890 |
. . . . . . . . 9
| |
| 22 | breq2 3342 |
. . . . . . . . 9
| |
| 23 | 20, 21, 22 | 3orbi123d 1167 |
. . . . . . . 8
|
| 24 | 23 | ralbidv 2123 |
. . . . . . 7
|
| 25 | 24 | cbvfo 4861 |
. . . . . 6
|
| 26 | 19, 25 | bitrd 587 |
. . . . 5
|
| 27 | 4, 13, 26 | 3syl 24 |
. . . 4
|
| 28 | 12, 27 | bitrd 587 |
. . 3
|
| 29 | 1, 28 | anbi12d 690 |
. 2
|
| 30 | dfwe2 3861 |
. 2
| |
| 31 | dfwe2 3861 |
. 2
| |
| 32 | 29, 30, 31 | 3bitr4g 614 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: f1owe 4882 hartog 5693 hartogOLD 15384 ltfrn 16438 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-tp 3052 df-op 3053 df-uni 3178 df-br 3339 df-opab 3396 df-id 3586 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-f1 4011 df-fo 4012 df-f1o 4013 df-fv 4014 df-iso 4015 |