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| Description: Lemma for msf 9081 and others. |
| Ref | Expression |
|---|---|
| msf.1 |
|
| msf.2 |
|
| Ref | Expression |
|---|---|
| msflem |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dfms2 9076 |
. . 3
| |
| 2 | 1 | eleq2i 1961 |
. 2
|
| 3 | msf.1 |
. . . . 5
| |
| 4 | 3 | eqeq2i 1894 |
. . . 4
|
| 5 | xpeq1 4016 |
. . . . . . 7
| |
| 6 | xpeq2 4017 |
. . . . . . 7
| |
| 7 | 5, 6 | eqtrd 1925 |
. . . . . 6
|
| 8 | 7 | feq2d 4557 |
. . . . 5
|
| 9 | raleq 2266 |
. . . . . . . 8
| |
| 10 | 9 | anbi2d 678 |
. . . . . . 7
|
| 11 | 10 | raleqbi1dv 2271 |
. . . . . 6
|
| 12 | 11 | raleqbi1dv 2271 |
. . . . 5
|
| 13 | 8, 12 | anbi12d 690 |
. . . 4
|
| 14 | 4, 13 | sylbir 218 |
. . 3
|
| 15 | msf.2 |
. . . . 5
| |
| 16 | 15 | eqeq2i 1894 |
. . . 4
|
| 17 | feq1 4551 |
. . . . 5
| |
| 18 | opreq 4888 |
. . . . . . . . 9
| |
| 19 | 18 | eqeq1d 1892 |
. . . . . . . 8
|
| 20 | 19 | bibi1d 681 |
. . . . . . 7
|
| 21 | opreq 4888 |
. . . . . . . . . 10
| |
| 22 | opreq 4888 |
. . . . . . . . . 10
| |
| 23 | 21, 22 | opreq12d 4900 |
. . . . . . . . 9
|
| 24 | 18, 23 | breq12d 3351 |
. . . . . . . 8
|
| 25 | 24 | ralbidv 2123 |
. . . . . . 7
|
| 26 | 20, 25 | anbi12d 690 |
. . . . . 6
|
| 27 | 26 | 2ralbidv 2140 |
. . . . 5
|
| 28 | 17, 27 | anbi12d 690 |
. . . 4
|
| 29 | 16, 28 | sylbir 218 |
. . 3
|
| 30 | 14, 29 | elopabi 5059 |
. 2
|
| 31 | 2, 30 | sylbi 216 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: msf 9081 |
| 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-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-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-op 3053 df-uni 3178 df-br 3339 df-opab 3396 df-id 3586 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-fv 4014 df-opr 4886 df-1st 5020 df-2nd 5021 df-met 9070 df-ms 9071 |