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Mirrors > Home > ILE Home > Th. List > Mathboxes > bdccsb | Unicode version |
Description: A class resulting from proper substitution of a setvar for a setvar in a bounded class is bounded. (Contributed by BJ, 16-Oct-2019.) |
Ref | Expression |
---|---|
bdccsb.1 | BOUNDED |
Ref | Expression |
---|---|
bdccsb | BOUNDED |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bdccsb.1 | . . . . 5 BOUNDED | |
2 | 1 | bdeli 10637 | . . . 4 BOUNDED |
3 | 2 | bdsbc 10649 | . . 3 BOUNDED |
4 | 3 | bdcab 10640 | . 2 BOUNDED |
5 | df-csb 2909 | . 2 | |
6 | 4, 5 | bdceqir 10635 | 1 BOUNDED |
Colors of variables: wff set class |
Syntax hints: wcel 1433 cab 2067 wsbc 2815 csb 2908 BOUNDED wbdc 10631 |
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 1376 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-4 1440 ax-17 1459 ax-ial 1467 ax-ext 2063 ax-bd0 10604 ax-bdsb 10613 |
This theorem depends on definitions: df-bi 115 df-clab 2068 df-cleq 2074 df-clel 2077 df-sbc 2816 df-csb 2909 df-bdc 10632 |
This theorem is referenced by: (None) |
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