| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 4191 |
. . . 4
| |
| 3 | 1, 2 | eqtri 2259 |
. . 3
|
| 4 | vex 2824 |
. . . . . . . 8
| |
| 5 | vex 2824 |
. . . . . . . 8
| |
| 6 | 4, 5 | opelvv 4823 |
. . . . . . 7
|
| 7 | eleq1 2301 |
. . . . . . 7
| |
| 8 | 6, 7 | mpbiri 168 |
. . . . . 6
|
| 9 | 8 | adantr 276 |
. . . . 5
|
| 10 | 9 | exlimivv 1952 |
. . . 4
|
| 11 | 10 | abssi 3323 |
. . 3
|
| 12 | 3, 11 | eqsstri 3280 |
. 2
|
| 13 | df-rel 4779 |
. 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 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 4247 ax-pow 4309 ax-pr 4344 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-opab 4191 df-xp 4778 df-rel 4779 |
| This theorem is referenced by: relopab 4904 mptrel 4906 reli 4907 rele 4908 relcnv 5163 cotr 5167 relco 5284 reloprab 6129 reldmoprab 6166 eqer 6832 ecopover 6900 ecopoverg 6903 relen 7019 reldom 7020 enq0er 7795 aprcl 8967 aptap 8971 climrel 12027 brstruct 13342 |
| Copyright terms: Public domain | W3C validator |