| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 4326 | . 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 2803 〈cop 3676 |
| 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 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 |
| This theorem is referenced by: otth2 4339 opabid 4356 elopab 4358 opabm 4381 elvvv 4795 relsnop 4838 xpiindim 4873 raliunxp 4877 rexiunxp 4878 intirr 5130 xpmlem 5164 dmsnm 5209 dmsnopg 5215 cnvcnvsn 5220 op2ndb 5227 cnviinm 5285 funopg 5367 fsn 5827 fvsn 5857 idref 5907 oprabid 6060 dfoprab2 6078 rnoprab 6114 fo1st 6329 fo2nd 6330 eloprabi 6370 xporderlem 6405 cnvoprab 6408 dmtpos 6465 rntpos 6466 tpostpos 6473 iinerm 6819 th3qlem2 6850 elixpsn 6947 ensn1 7013 mapsnen 7029 dom1o 7045 xpsnen 7048 xpcomco 7053 xpassen 7057 xpmapenlem 7078 phplem2 7082 ac6sfi 7130 djuss 7312 genipdm 7779 ioof 10249 wrdexb 11172 fsumcnv 12059 fprodcnv 12247 nninfct 12673 prdsex 13413 fnpsr 14743 txdis1cn 15069 griedg0ssusgr 16172 |
| Copyright terms: Public domain | W3C validator |