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| Description: Equality theorem for ordered pairs. |
| Ref | Expression |
|---|---|
| opeq2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | preq2 3099 |
. . 3
| |
| 2 | preq2 3099 |
. . 3
| |
| 3 | 1, 2 | syl 12 |
. 2
|
| 4 | df-op 3053 |
. 2
| |
| 5 | df-op 3053 |
. 2
| |
| 6 | 3, 4, 5 | 3eqtr4g 1953 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: opeq12 3160 opeq2i 3162 opeq2d 3165 breq2 3342 cbvopab2v 3408 opthg 3533 opthgg 3534 eqvinop 3536 moop2 3548 opabidOLD 3558 dfid3 3587 opelxpg 4039 opabid2 4107 opelco2g 4133 dfdmf 4152 opeldm 4160 dfrnf 4195 elrn2 4196 opelresg 4224 iss 4254 issOLD 4255 elimasng 4291 intirrOLD 4313 cnvopabOLD 4318 dmsnop 4367 elxp4 4379 elxp5 4380 funopg 4454 funsng 4465 iunfopab 4542 fnopabg 4546 fcoi2OLD 4587 tz6.12f 4695 funopfvg 4711 funfvop 4776 fsn 4807 opreq2 4890 op2ndg 5029 fsplit 5086 tfrlem11 5129 mapsnen 5488 xpsnen 5494 xpassen 5500 aceq3lem 5894 elreal 6402 seq1val 7725 dfseq0 7806 drngi 9493 vcoprne 9530 isnvlem 9561 nvi 9565 oprabopabf 10157 issubspt 10247 stoig 10251 isdivrng 10417 bnj147 12480 bnj519 12520 bnj941 12842 bnj939 13338 elrn2g 13877 ref4w 14370 prj1 14395 repcpwti 14503 cbcpcp 14504 prodeq3 14663 subsp2 14902 subspemp2 14904 ttcn 14913 isded 15083 dedi 15084 cmppfd 15092 dmrngcmp 15098 iscat 15101 cati 15102 iepiclem 15172 isseg2 15305 filnetlem1 15640 filnetlem2 15641 filnetlem3 15642 filnetlem4 15643 filnetlem5 15644 prfOLD 15680 opabex3 15701 oprabvalg 15706 cbvoprab2 15708 seqz1g 15806 seqzp1g 15807 seq1seqzg 15808 dropab2 16425 islvec 17188 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-v 2294 df-un 2600 df-sn 3049 df-pr 3050 df-op 3053 |