| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: A class of ordered pairs is a relation. |
| Ref | Expression |
|---|---|
| relopab |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | visset 1804 |
. . . . . 6
| |
| 2 | visset 1804 |
. . . . . 6
| |
| 3 | 1, 2 | pm3.2i 285 |
. . . . 5
|
| 4 | 3 | a1i 8 |
. . . 4
|
| 5 | 4 | ssopab2i 2812 |
. . 3
|
| 6 | df-xp 3174 |
. . 3
| |
| 7 | 5, 6 | sseqtr4 2084 |
. 2
|
| 8 | df-rel 3175 |
. 2
| |
| 9 | 7, 8 | mpbir 190 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: opabid2 3257 inopab 3258 reli 3263 rele 3264 relcnv 3419 cnvopab 3431 relco 3470 funopab 3534 fnopabfv 3743 reloprab 3977 reldmoprab 3990 elopabi 4101 relen 4354 reldom 4355 aceq3lem 4704 climrel 6914 eltopsp 7546 tpsex 7547 msrel 7736 lmrel 7865 isring 8078 vcrel 8103 fiv 10374 hgrarel 10604 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-sep 2693 ax-pow 2732 ax-pr 2769 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-v 1803 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-nul 2271 df-pw 2392 df-sn 2402 df-pr 2403 df-op 2406 df-opab 2657 df-xp 3174 df-rel 3175 |