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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 4366 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → 〈𝐴, 𝐵〉 ∈ V) | |
| 4 | 1, 2, 3 | mp2an 430 | 1 ⊢ 〈𝐴, 𝐵〉 ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2209 Vcvv 2821 〈cop 3711 |
| 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 |
| This theorem is referenced by: otth2 4379 opabid 4396 elopab 4398 opabm 4421 elvvv 4836 relsnop 4879 xpiindim 4915 raliunxp 4919 rexiunxp 4920 intirr 5172 xpmlem 5206 dmsnm 5251 dmsnopg 5257 cnvcnvsn 5262 op2ndb 5269 cnviinm 5327 funopg 5409 fsn 5874 fvsn 5904 idref 5956 oprabid 6111 dfoprab2 6129 rnoprab 6165 fo1st 6385 fo2nd 6386 eloprabi 6426 xporderlem 6461 cnvoprab 6464 dmtpos 6521 rntpos 6522 tpostpos 6529 iinerm 6875 th3qlem2 6906 elixpsn 7011 ensn1 7077 mapsnen 7094 dom1o 7110 xpsnen 7113 xpcomco 7118 xpassen 7122 xpmapenlem 7143 phplem2 7148 ac6sfi 7196 djuss 7404 genipdm 7877 ioof 10356 hashf1lem1 11268 wrdexb 11299 fsumcnv 12187 fprodcnv 12375 nninfct 12801 prdsex 14155 fnpsr 15034 txdis1cn 15362 griedg0ssusgr 16475 |
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