| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Restricted first member of a class composition. |
| Ref | Expression |
|---|---|
| cores |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm3.26 319 |
. . . . . . . 8
| |
| 2 | 1 | anim1i 334 |
. . . . . . 7
|
| 3 | ssel 2063 |
. . . . . . . . . 10
| |
| 4 | visset 1813 |
. . . . . . . . . . 11
| |
| 5 | visset 1813 |
. . . . . . . . . . 11
| |
| 6 | 4, 5 | brelrn 3344 |
. . . . . . . . . 10
|
| 7 | 3, 6 | syl5 21 |
. . . . . . . . 9
|
| 8 | 7 | ancld 298 |
. . . . . . . 8
|
| 9 | 8 | anim1d 560 |
. . . . . . 7
|
| 10 | 2, 9 | impbid2 518 |
. . . . . 6
|
| 11 | visset 1813 |
. . . . . . . . . 10
| |
| 12 | 11 | brres 3373 |
. . . . . . . . 9
|
| 13 | ancom 435 |
. . . . . . . . 9
| |
| 14 | 12, 13 | bitr 173 |
. . . . . . . 8
|
| 15 | 14 | anbi2i 480 |
. . . . . . 7
|
| 16 | anass 439 |
. . . . . . 7
| |
| 17 | 15, 16 | bitr4 176 |
. . . . . 6
|
| 18 | 10, 17 | syl5bb 532 |
. . . . 5
|
| 19 | 18 | exbidv 1279 |
. . . 4
|
| 20 | 4, 11 | opelco 3288 |
. . . 4
|
| 21 | 4, 11 | opelco 3288 |
. . . 4
|
| 22 | 19, 20, 21 | 3bitr4g 555 |
. . 3
|
| 23 | 22 | 19.21aivv 1287 |
. 2
|
| 24 | relco 3484 |
. . 3
| |
| 25 | relco 3484 |
. . 3
| |
| 26 | eqrel 3250 |
. . 3
| |
| 27 | 24, 25, 26 | mp2an 697 |
. 2
|
| 28 | 23, 27 | sylibr 200 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: cocnvcnv1 3505 cores2 3507 ruclem17 7526 hhssims 9145 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-sep 2703 ax-pow 2742 ax-pr 2779 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-v 1812 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 df-op 2416 df-br 2620 df-opab 2667 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 |