| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > opex | Unicode 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 |
|
| opex.2 |
|
| Ref | Expression |
|---|---|
| opex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opex.1 |
. 2
| |
| 2 | opex.2 |
. 2
| |
| 3 | opexg 4363 |
. 2
| |
| 4 | 1, 2, 3 | mp2an 430 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 4244 ax-pow 4306 ax-pr 4341 |
| 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 3687 df-sn 3711 df-pr 3712 df-op 3714 |
| This theorem is referenced by: otth2 4376 opabid 4393 elopab 4395 opabm 4418 elvvv 4833 relsnop 4876 xpiindim 4912 raliunxp 4916 rexiunxp 4917 intirr 5169 xpmlem 5203 dmsnm 5248 dmsnopg 5254 cnvcnvsn 5259 op2ndb 5266 cnviinm 5324 funopg 5406 fsn 5871 fvsn 5901 idref 5952 oprabid 6107 dfoprab2 6125 rnoprab 6161 fo1st 6381 fo2nd 6382 eloprabi 6422 xporderlem 6457 cnvoprab 6460 dmtpos 6517 rntpos 6518 tpostpos 6525 iinerm 6871 th3qlem2 6902 elixpsn 7007 ensn1 7073 mapsnen 7090 dom1o 7106 xpsnen 7109 xpcomco 7114 xpassen 7118 xpmapenlem 7139 phplem2 7144 ac6sfi 7192 djuss 7400 genipdm 7873 ioof 10352 hashf1lem1 11263 wrdexb 11294 fsumcnv 12182 fprodcnv 12370 nninfct 12796 prdsex 14149 fnpsr 14974 txdis1cn 15302 griedg0ssusgr 16406 |
| Copyright terms: Public domain | W3C validator |