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| Mirrors > Home > ILE Home > Th. List > relopabi | Unicode version | ||
| Description: A class of ordered pairs is a relation. (Contributed by Mario Carneiro, 21-Dec-2013.) |
| Ref | Expression |
|---|---|
| relopabi.1 |
|
| Ref | Expression |
|---|---|
| relopabi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relopabi.1 |
. . . 4
| |
| 2 | df-opab 4149 |
. . . 4
| |
| 3 | 1, 2 | eqtri 2250 |
. . 3
|
| 4 | vex 2803 |
. . . . . . . 8
| |
| 5 | vex 2803 |
. . . . . . . 8
| |
| 6 | 4, 5 | opelvv 4774 |
. . . . . . 7
|
| 7 | eleq1 2292 |
. . . . . . 7
| |
| 8 | 6, 7 | mpbiri 168 |
. . . . . 6
|
| 9 | 8 | adantr 276 |
. . . . 5
|
| 10 | 9 | exlimivv 1943 |
. . . 4
|
| 11 | 10 | abssi 3300 |
. . 3
|
| 12 | 3, 11 | eqsstri 3257 |
. 2
|
| 13 | df-rel 4730 |
. 2
| |
| 14 | 12, 13 | mpbir 146 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-opab 4149 df-xp 4729 df-rel 4730 |
| This theorem is referenced by: relopab 4854 mptrel 4856 reli 4857 rele 4858 relcnv 5112 cotr 5116 relco 5233 reloprab 6064 reldmoprab 6101 eqer 6729 ecopover 6797 ecopoverg 6800 relen 6908 reldom 6909 enq0er 7645 aprcl 8816 aptap 8820 climrel 11831 brstruct 13081 |
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