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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 4343 | . 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 2203 Vcvv 2812 〈cop 3691 |
| 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 2206 ax-ext 2214 ax-sep 4227 ax-pow 4286 ax-pr 4321 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-v 2814 df-un 3214 df-in 3216 df-ss 3223 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 |
| This theorem is referenced by: otth2 4356 opabid 4373 elopab 4375 opabm 4398 elvvv 4812 relsnop 4855 xpiindim 4891 raliunxp 4895 rexiunxp 4896 intirr 5148 xpmlem 5182 dmsnm 5227 dmsnopg 5233 cnvcnvsn 5238 op2ndb 5245 cnviinm 5303 funopg 5385 fsn 5848 fvsn 5878 idref 5928 oprabid 6081 dfoprab2 6099 rnoprab 6135 fo1st 6350 fo2nd 6351 eloprabi 6391 xporderlem 6426 cnvoprab 6429 dmtpos 6486 rntpos 6487 tpostpos 6494 iinerm 6840 th3qlem2 6871 elixpsn 6969 ensn1 7035 mapsnen 7052 dom1o 7068 xpsnen 7071 xpcomco 7076 xpassen 7080 xpmapenlem 7101 phplem2 7106 ac6sfi 7154 djuss 7360 genipdm 7830 ioof 10303 wrdexb 11232 fsumcnv 12119 fprodcnv 12307 nninfct 12733 prdsex 13474 fnpsr 14807 txdis1cn 15135 griedg0ssusgr 16238 |
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