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Mirrors > Home > ILE Home > Th. List > Mathboxes > bdcsn | Unicode version |
Description: The singleton of a setvar is bounded. (Contributed by BJ, 16-Oct-2019.) |
Ref | Expression |
---|---|
bdcsn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-bdeq 13189 |
. . 3
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2 | 1 | bdcab 13218 |
. 2
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3 | df-sn 3538 |
. 2
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4 | 2, 3 | bdceqir 13213 |
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 ax-bdeq 13189 ax-bdsb 13191 |
This theorem depends on definitions: df-bi 116 df-clab 2127 df-cleq 2133 df-clel 2136 df-sn 3538 df-bdc 13210 |
This theorem is referenced by: bdcpr 13240 bdctp 13241 bdvsn 13243 bdcsuc 13249 |
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