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Mirrors > Home > MPE Home > Th. List > eqrelrel | Structured version Visualization version Unicode version |
Description: Extensionality principle for ordered triples (used by 2-place operations df-oprab 6654), analogous to eqrel 5209. Use relrelss 5659 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 3787 |
. 2
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2 | ssrelrel 5220 |
. . . 4
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3 | ssrelrel 5220 |
. . . 4
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4 | 2, 3 | bi2anan9 917 |
. . 3
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5 | eqss 3618 |
. . 3
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6 | 2albiim 1817 |
. . . . 5
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7 | 6 | albii 1747 |
. . . 4
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8 | 19.26 1798 |
. . . 4
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9 | 7, 8 | bitri 264 |
. . 3
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10 | 4, 5, 9 | 3bitr4g 303 |
. 2
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11 | 1, 10 | sylbir 225 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-opab 4713 df-xp 5120 |
This theorem is referenced by: (None) |
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