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Mirrors > Home > ILE Home > Th. List > Mathboxes > bdcvv | Unicode version |
Description: The universal class is bounded. The formulation may sound strange, but recall that here, "bounded" means "Δ0". (Contributed by BJ, 3-Oct-2019.) |
Ref | Expression |
---|---|
bdcvv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vex 2622 |
. . 3
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2 | 1 | bdth 11722 |
. 2
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3 | 2 | bdelir 11738 |
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 104 ax-ia2 105 ax-ia3 106 ax-5 1381 ax-gen 1383 ax-ie1 1427 ax-ie2 1428 ax-8 1440 ax-4 1445 ax-17 1464 ax-i9 1468 ax-ial 1472 ax-ext 2070 ax-bd0 11704 ax-bdim 11705 ax-bdeq 11711 |
This theorem depends on definitions: df-bi 115 df-sb 1693 df-clab 2075 df-cleq 2081 df-clel 2084 df-v 2621 df-bdc 11732 |
This theorem is referenced by: bdcnulALT 11757 |
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