| 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 4320 |
. 2
| |
| 4 | 1, 2, 3 | mp2an 426 |
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 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 5848 idref 5896 oprabid 6049 dfoprab2 6067 rnoprab 6103 fo1st 6319 fo2nd 6320 eloprabi 6360 xporderlem 6395 cnvoprab 6398 dmtpos 6421 rntpos 6422 tpostpos 6429 iinerm 6775 th3qlem2 6806 elixpsn 6903 ensn1 6969 mapsnen 6985 dom1o 7001 xpsnen 7004 xpcomco 7009 xpassen 7013 xpmapenlem 7034 phplem2 7038 ac6sfi 7086 djuss 7268 genipdm 7735 ioof 10205 wrdexb 11124 fsumcnv 11997 fprodcnv 12185 nninfct 12611 prdsex 13351 fnpsr 14680 txdis1cn 15001 griedg0ssusgr 16101 |
| Copyright terms: Public domain | W3C validator |