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| Mirrors > Home > ILE Home > Th. List > opth2 | Unicode version | ||
| Description: Ordered pair theorem. (Contributed by NM, 21-Sep-2014.) |
| Ref | Expression |
|---|---|
| opth2.1 |
|
| opth2.2 |
|
| Ref | Expression |
|---|---|
| opth2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opth2.1 |
. 2
| |
| 2 | opth2.2 |
. 2
| |
| 3 | opthg2 4272 |
. 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 |
| This theorem is referenced by: eqvinop 4276 opelxp 4693 fsn 5734 dfplpq2 7421 ltresr 7906 frecuzrdgtcl 10504 frecuzrdgfunlem 10511 |
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