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Related theorems Unicode version |
| Description: A class of ordered pairs is a relation. |
| Ref | Expression |
|---|---|
| relopab |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | visset 1809 |
. . . . . 6
| |
| 2 | visset 1809 |
. . . . . 6
| |
| 3 | 1, 2 | pm3.2i 285 |
. . . . 5
|
| 4 | 3 | a1i 8 |
. . . 4
|
| 5 | 4 | ssopab2i 2818 |
. . 3
|
| 6 | df-xp 3179 |
. . 3
| |
| 7 | 5, 6 | sseqtr4 2090 |
. 2
|
| 8 | df-rel 3180 |
. 2
| |
| 9 | 7, 8 | mpbir 190 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: opabid2 3262 inopab 3263 reli 3268 rele 3269 relcnv 3427 cnvopab 3437 relco 3476 funopab 3540 fnopabfv 3749 reloprab 3983 reldmoprab 3996 elopabi 4107 relen 4360 reldom 4361 aceq3lem 4712 climrel 6922 eltopsp 7554 tpsex 7555 msrel 7747 lmrel 7879 isring 8093 vcrel 8118 fiv 10410 hgrarel 10640 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-11 965 ax-12 966 ax-13 967 ax-14 968 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 ax-sep 2698 ax-pow 2737 ax-pr 2774 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 979 df-sb 1170 df-eu 1380 df-mo 1381 df-clab 1462 df-cleq 1467 df-clel 1470 df-ne 1584 df-v 1808 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-nul 2277 df-pw 2398 df-sn 2408 df-pr 2409 df-op 2412 df-opab 2662 df-xp 3179 df-rel 3180 |