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Mirrors > Home > ILE Home > Th. List > Mathboxes > bdceq | Unicode version |
Description: Equality property for the predicate BOUNDED. (Contributed by BJ, 3-Oct-2019.) |
Ref | Expression |
---|---|
bdceq.1 |
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Ref | Expression |
---|---|
bdceq |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bdceq.1 |
. . . . 5
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2 | 1 | eleq2i 2207 |
. . . 4
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3 | 2 | bdeq 13192 |
. . 3
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4 | 3 | albii 1447 |
. 2
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5 | df-bdc 13210 |
. 2
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6 | df-bdc 13210 |
. 2
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7 | 4, 5, 6 | 3bitr4i 211 |
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 ax-bd0 13182 |
This theorem depends on definitions: df-bi 116 df-cleq 2133 df-clel 2136 df-bdc 13210 |
This theorem is referenced by: bdceqi 13212 |
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