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| Mirrors > Home > ILE Home > Th. List > difopab | Unicode version | ||
| Description: The difference of two ordered-pair abstractions. (Contributed by Stefan O'Rear, 17-Jan-2015.) |
| Ref | Expression |
|---|---|
| difopab |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relopab 4901 |
. . 3
| |
| 2 | reldif 4892 |
. . 3
| |
| 3 | 1, 2 | ax-mp 5 |
. 2
|
| 4 | relopab 4901 |
. 2
| |
| 5 | sbcan 3094 |
. . . 4
| |
| 6 | sbcan 3094 |
. . . . 5
| |
| 7 | 6 | sbcbii 3111 |
. . . 4
|
| 8 | opelopabsb 4397 |
. . . . 5
| |
| 9 | vex 2824 |
. . . . . . 7
| |
| 10 | sbcng 3092 |
. . . . . . 7
| |
| 11 | 9, 10 | ax-mp 5 |
. . . . . 6
|
| 12 | vex 2824 |
. . . . . . . 8
| |
| 13 | sbcng 3092 |
. . . . . . . 8
| |
| 14 | 12, 13 | ax-mp 5 |
. . . . . . 7
|
| 15 | 14 | sbcbii 3111 |
. . . . . 6
|
| 16 | opelopabsb 4397 |
. . . . . . 7
| |
| 17 | 16 | notbii 678 |
. . . . . 6
|
| 18 | 11, 15, 17 | 3bitr4ri 213 |
. . . . 5
|
| 19 | 8, 18 | anbi12i 464 |
. . . 4
|
| 20 | 5, 7, 19 | 3bitr4ri 213 |
. . 3
|
| 21 | eldif 3229 |
. . 3
| |
| 22 | opelopabsb 4397 |
. . 3
| |
| 23 | 20, 21, 22 | 3bitr4i 212 |
. 2
|
| 24 | 3, 4, 23 | eqrelriiv 4864 |
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-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-opab 4188 df-xp 4775 df-rel 4776 |
| This theorem is referenced by: (None) |
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