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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 4320 | . 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 2202 Vcvv 2802 〈cop 3672 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 |
| This theorem is referenced by: otth2 4333 opabid 4350 elopab 4352 opabm 4375 elvvv 4789 relsnop 4832 xpiindim 4867 raliunxp 4871 rexiunxp 4872 intirr 5123 xpmlem 5157 dmsnm 5202 dmsnopg 5208 cnvcnvsn 5213 op2ndb 5220 cnviinm 5278 funopg 5360 fsn 5819 fvsn 5849 idref 5897 oprabid 6050 dfoprab2 6068 rnoprab 6104 fo1st 6320 fo2nd 6321 eloprabi 6361 xporderlem 6396 cnvoprab 6399 dmtpos 6422 rntpos 6423 tpostpos 6430 iinerm 6776 th3qlem2 6807 elixpsn 6904 ensn1 6970 mapsnen 6986 dom1o 7002 xpsnen 7005 xpcomco 7010 xpassen 7014 xpmapenlem 7035 phplem2 7039 ac6sfi 7087 djuss 7269 genipdm 7736 ioof 10206 wrdexb 11129 fsumcnv 12003 fprodcnv 12191 nninfct 12617 prdsex 13357 fnpsr 14687 txdis1cn 15008 griedg0ssusgr 16108 |
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