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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 4349 | . 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 2205 Vcvv 2815 〈cop 3697 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 |
| This theorem is referenced by: otth2 4362 opabid 4379 elopab 4381 opabm 4404 elvvv 4818 relsnop 4861 xpiindim 4897 raliunxp 4901 rexiunxp 4902 intirr 5154 xpmlem 5188 dmsnm 5233 dmsnopg 5239 cnvcnvsn 5244 op2ndb 5251 cnviinm 5309 funopg 5391 fsn 5854 fvsn 5884 idref 5935 oprabid 6090 dfoprab2 6108 rnoprab 6144 fo1st 6364 fo2nd 6365 eloprabi 6405 xporderlem 6440 cnvoprab 6443 dmtpos 6500 rntpos 6501 tpostpos 6508 iinerm 6854 th3qlem2 6885 elixpsn 6983 ensn1 7049 mapsnen 7066 dom1o 7082 xpsnen 7085 xpcomco 7090 xpassen 7094 xpmapenlem 7115 phplem2 7120 ac6sfi 7168 djuss 7374 genipdm 7847 ioof 10323 wrdexb 11261 fsumcnv 12148 fprodcnv 12336 nninfct 12762 prdsex 13566 fnpsr 14927 txdis1cn 15255 griedg0ssusgr 16358 |
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