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| Mirrors > Home > ILE Home > Th. List > opex | GIF version | ||
| Description: An ordered pair of sets is a set. (Contributed by Jim Kingdon, 24-Sep-2018.) (Revised by Mario Carneiro, 24-May-2019.) |
| Ref | Expression |
|---|---|
| opex.1 | ⊢ 𝐴 ∈ V |
| opex.2 | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| opex | ⊢ 〈𝐴, 𝐵〉 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opex.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | opex.2 | . 2 ⊢ 𝐵 ∈ V | |
| 3 | opexg 4315 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → 〈𝐴, 𝐵〉 ∈ V) | |
| 4 | 1, 2, 3 | mp2an 426 | 1 ⊢ 〈𝐴, 𝐵〉 ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 Vcvv 2799 〈cop 3669 |
| 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 4202 ax-pow 4259 ax-pr 4294 |
| 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-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 |
| This theorem is referenced by: otth2 4328 opabid 4345 elopab 4347 opabm 4370 elvvv 4784 relsnop 4827 xpiindim 4862 raliunxp 4866 rexiunxp 4867 intirr 5118 xpmlem 5152 dmsnm 5197 dmsnopg 5203 cnvcnvsn 5208 op2ndb 5215 cnviinm 5273 funopg 5355 fsn 5812 fvsn 5841 idref 5889 oprabid 6042 dfoprab2 6060 rnoprab 6096 fo1st 6312 fo2nd 6313 eloprabi 6353 xporderlem 6388 cnvoprab 6391 dmtpos 6413 rntpos 6414 tpostpos 6421 iinerm 6767 th3qlem2 6798 elixpsn 6895 ensn1 6961 mapsnen 6977 dom1o 6990 xpsnen 6993 xpcomco 6998 xpassen 7002 xpmapenlem 7023 phplem2 7027 ac6sfi 7073 djuss 7253 genipdm 7719 ioof 10184 wrdexb 11101 fsumcnv 11969 fprodcnv 12157 nninfct 12583 prdsex 13323 fnpsr 14652 txdis1cn 14973 griedg0ssusgr 16070 |
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