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| Mirrors > Home > MPE Home > Th. List > difopab | Structured version Visualization version 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 5247 |
. . 3
| |
| 2 | reldif 5238 |
. . 3
| |
| 3 | 1, 2 | ax-mp 5 |
. 2
|
| 4 | relopab 5247 |
. 2
| |
| 5 | sbcan 3478 |
. . . 4
| |
| 6 | sbcan 3478 |
. . . . 5
| |
| 7 | 6 | sbcbii 3491 |
. . . 4
|
| 8 | opelopabsb 4985 |
. . . . 5
| |
| 9 | vex 3203 |
. . . . . . 7
| |
| 10 | sbcng 3476 |
. . . . . . 7
| |
| 11 | 9, 10 | ax-mp 5 |
. . . . . 6
|
| 12 | vex 3203 |
. . . . . . . 8
| |
| 13 | sbcng 3476 |
. . . . . . . 8
| |
| 14 | 12, 13 | ax-mp 5 |
. . . . . . 7
|
| 15 | 14 | sbcbii 3491 |
. . . . . 6
|
| 16 | opelopabsb 4985 |
. . . . . . 7
| |
| 17 | 16 | notbii 310 |
. . . . . 6
|
| 18 | 11, 15, 17 | 3bitr4ri 293 |
. . . . 5
|
| 19 | 8, 18 | anbi12i 733 |
. . . 4
|
| 20 | 5, 7, 19 | 3bitr4ri 293 |
. . 3
|
| 21 | eldif 3584 |
. . 3
| |
| 22 | opelopabsb 4985 |
. . 3
| |
| 23 | 20, 21, 22 | 3bitr4i 292 |
. 2
|
| 24 | 3, 4, 23 | eqrelriiv 5214 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
| This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-opab 4713 df-xp 5120 df-rel 5121 |
| This theorem is referenced by: dfnelbr2 41290 |
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