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Mirrors > Home > ILE Home > Th. List > breqi | Unicode version |
Description: Equality inference for binary relations. (Contributed by NM, 19-Feb-2005.) |
Ref | Expression |
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breqi.1 |
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Ref | Expression |
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breqi |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breqi.1 |
. 2
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2 | breq 3939 |
. 2
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3 | 1, 2 | ax-mp 5 |
1
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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 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-4 1488 ax-17 1507 ax-ial 1515 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-cleq 2133 df-clel 2136 df-br 3938 |
This theorem is referenced by: f1ompt 5579 brtpos2 6156 tfrexlem 6239 brdifun 6464 ltpiord 7151 ltxrlt 7854 ltxr 9592 xmeterval 12643 |
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