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| Mirrors > Home > ILE Home > Th. List > eqrelrel | Unicode version | ||
| Description: Extensionality principle for ordered triples, analogous to eqrel 4764. Use relrelss 5209 to express the antecedent in terms of the relation predicate. (Contributed by NM, 17-Dec-2008.) |
| Ref | Expression |
|---|---|
| eqrelrel |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | unss 3347 |
. 2
| |
| 2 | ssrelrel 4775 |
. . . 4
| |
| 3 | ssrelrel 4775 |
. . . 4
| |
| 4 | 2, 3 | bi2anan9 606 |
. . 3
|
| 5 | eqss 3208 |
. . 3
| |
| 6 | 2albiim 1511 |
. . . . 5
| |
| 7 | 6 | albii 1493 |
. . . 4
|
| 8 | 19.26 1504 |
. . . 4
| |
| 9 | 7, 8 | bitri 184 |
. . 3
|
| 10 | 4, 5, 9 | 3bitr4g 223 |
. 2
|
| 11 | 1, 10 | sylbir 135 |
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 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-14 2179 ax-ext 2187 ax-sep 4162 ax-pow 4218 ax-pr 4253 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1484 df-sb 1786 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-v 2774 df-un 3170 df-in 3172 df-ss 3179 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-opab 4106 df-xp 4681 |
| This theorem is referenced by: (None) |
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