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| Mirrors > Home > ILE Home > Th. List > oprabrexex2 | Unicode version | ||
| Description: Existence of an existentially restricted operation abstraction. (Contributed by Jeff Madsen, 11-Jun-2010.) |
| Ref | Expression |
|---|---|
| oprabrexex2.1 |
|
| oprabrexex2.2 |
|
| Ref | Expression |
|---|---|
| oprabrexex2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-oprab 5926 |
. . 3
| |
| 2 | rexcom4 2786 |
. . . . 5
| |
| 3 | rexcom4 2786 |
. . . . . . 7
| |
| 4 | rexcom4 2786 |
. . . . . . . . 9
| |
| 5 | r19.42v 2654 |
. . . . . . . . . 10
| |
| 6 | 5 | exbii 1619 |
. . . . . . . . 9
|
| 7 | 4, 6 | bitri 184 |
. . . . . . . 8
|
| 8 | 7 | exbii 1619 |
. . . . . . 7
|
| 9 | 3, 8 | bitri 184 |
. . . . . 6
|
| 10 | 9 | exbii 1619 |
. . . . 5
|
| 11 | 2, 10 | bitr2i 185 |
. . . 4
|
| 12 | 11 | abbii 2312 |
. . 3
|
| 13 | 1, 12 | eqtri 2217 |
. 2
|
| 14 | oprabrexex2.1 |
. . 3
| |
| 15 | df-oprab 5926 |
. . . 4
| |
| 16 | oprabrexex2.2 |
. . . 4
| |
| 17 | 15, 16 | eqeltrri 2270 |
. . 3
|
| 18 | 14, 17 | abrexex2 6181 |
. 2
|
| 19 | 13, 18 | eqeltri 2269 |
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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-coll 4148 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-un 4468 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-reu 2482 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-iun 3918 df-br 4034 df-opab 4095 df-mpt 4096 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 df-iota 5219 df-fun 5260 df-fn 5261 df-f 5262 df-f1 5263 df-fo 5264 df-f1o 5265 df-fv 5266 df-oprab 5926 |
| This theorem is referenced by: (None) |
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