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Mirrors > Home > ILE Home > Th. List > eqrelrel | Unicode version |
Description: Extensionality principle for ordered triples, analogous to eqrel 4588. Use relrelss 5023 to express the antecedent in terms of the relation predicate. (Contributed by NM, 17-Dec-2008.) |
Ref | Expression |
---|---|
eqrelrel |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | unss 3216 |
. 2
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2 | ssrelrel 4599 |
. . . 4
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3 | ssrelrel 4599 |
. . . 4
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4 | 2, 3 | bi2anan9 578 |
. . 3
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5 | eqss 3078 |
. . 3
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6 | 2albiim 1447 |
. . . . 5
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7 | 6 | albii 1429 |
. . . 4
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8 | 19.26 1440 |
. . . 4
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9 | 7, 8 | bitri 183 |
. . 3
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10 | 4, 5, 9 | 3bitr4g 222 |
. 2
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11 | 1, 10 | sylbir 134 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 681 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-10 1466 ax-11 1467 ax-i12 1468 ax-bndl 1469 ax-4 1470 ax-14 1475 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 ax-sep 4006 ax-pow 4058 ax-pr 4091 |
This theorem depends on definitions: df-bi 116 df-3an 947 df-tru 1317 df-nf 1420 df-sb 1719 df-clab 2102 df-cleq 2108 df-clel 2111 df-nfc 2244 df-v 2659 df-un 3041 df-in 3043 df-ss 3050 df-pw 3478 df-sn 3499 df-pr 3500 df-op 3502 df-opab 3950 df-xp 4505 |
This theorem is referenced by: (None) |
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