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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 6021 |
. . 3
| |
| 2 | rexcom4 2826 |
. . . . 5
| |
| 3 | rexcom4 2826 |
. . . . . . 7
| |
| 4 | rexcom4 2826 |
. . . . . . . . 9
| |
| 5 | r19.42v 2690 |
. . . . . . . . . 10
| |
| 6 | 5 | exbii 1653 |
. . . . . . . . 9
|
| 7 | 4, 6 | bitri 184 |
. . . . . . . 8
|
| 8 | 7 | exbii 1653 |
. . . . . . 7
|
| 9 | 3, 8 | bitri 184 |
. . . . . 6
|
| 10 | 9 | exbii 1653 |
. . . . 5
|
| 11 | 2, 10 | bitr2i 185 |
. . . 4
|
| 12 | 11 | abbii 2347 |
. . 3
|
| 13 | 1, 12 | eqtri 2252 |
. 2
|
| 14 | oprabrexex2.1 |
. . 3
| |
| 15 | df-oprab 6021 |
. . . 4
| |
| 16 | oprabrexex2.2 |
. . . 4
| |
| 17 | 15, 16 | eqeltrri 2305 |
. . 3
|
| 18 | 14, 17 | abrexex2 6285 |
. 2
|
| 19 | 13, 18 | eqeltri 2304 |
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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-oprab 6021 |
| This theorem is referenced by: (None) |
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