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| Mirrors > Home > ILE Home > Th. List > eldm2g | Unicode version | ||
| Description: Domain membership. Theorem 4 of [Suppes] p. 59. (Contributed by NM, 27-Jan-1997.) (Revised by Mario Carneiro, 9-Jul-2014.) |
| Ref | Expression |
|---|---|
| eldm2g |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eldmg 4861 |
. 2
| |
| 2 | df-br 4034 |
. . 3
| |
| 3 | 2 | exbii 1619 |
. 2
|
| 4 | 1, 3 | bitrdi 196 |
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-ext 2178 |
| 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-sn 3628 df-pr 3629 df-op 3631 df-br 4034 df-dm 4673 |
| This theorem is referenced by: eldm2 4864 opeldmg 4871 dmfco 5629 releldm2 6243 tfrlem9 6377 climcau 11512 lmff 14485 |
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