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Related theorems Unicode version |
| Description: Implicit substitution of class for ordered pair. |
| Ref | Expression |
|---|---|
| optocl.1 |
|
| optocl.2 |
|
| optocl.3 |
|
| Ref | Expression |
|---|---|
| optocl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | optocl.1 |
. . 3
| |
| 2 | 1 | eleq2i 1585 |
. 2
|
| 3 | elxp3 3281 |
. . 3
| |
| 4 | optocl.2 |
. . . . . 6
| |
| 5 | visset 1860 |
. . . . . . . 8
| |
| 6 | 5 | opelxp 3271 |
. . . . . . 7
|
| 7 | optocl.3 |
. . . . . . 7
| |
| 8 | 6, 7 | sylbi 206 |
. . . . . 6
|
| 9 | 4, 8 | syl5bi 215 |
. . . . 5
|
| 10 | 9 | imp 357 |
. . . 4
|
| 11 | 10 | 19.23aivv 1338 |
. . 3
|
| 12 | 3, 11 | sylbi 206 |
. 2
|
| 13 | 2, 12 | sylbi 206 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 2optocl 3293 3optocl 3294 ecoptocl 4364 ax0id 5346 ax1id 5347 axcnre 5351 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1003 ax-gen 1004 ax-8 1005 ax-10 1007 ax-11 1008 ax-12 1009 ax-13 1010 ax-14 1011 ax-17 1012 ax-4 1014 ax-5o 1016 ax-6o 1019 ax-9o 1164 ax-10o 1182 ax-16 1252 ax-11o 1260 ax-ext 1504 ax-sep 2758 ax-pow 2798 ax-pr 2835 |
| This theorem depends on definitions: df-bi 154 df-or 231 df-an 232 df-ex 1022 df-sb 1214 df-eu 1424 df-mo 1425 df-clab 1510 df-cleq 1515 df-clel 1518 df-ne 1634 df-v 1859 df-dif 2100 df-un 2101 df-in 2102 df-ss 2104 df-nul 2332 df-pw 2454 df-sn 2464 df-pr 2465 df-op 2468 df-opab 2722 df-xp 3241 |