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| Mirrors > Home > ILE Home > Th. List > csbdmg | Unicode version | ||
| Description: Distribute proper substitution through the domain of a class. (Contributed by Jim Kingdon, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| csbdmg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | csbabg 2963 |
. . 3
| |
| 2 | sbcex2 2867 |
. . . . 5
| |
| 3 | sbcel2g 2927 |
. . . . . 6
| |
| 4 | 3 | exbidv 1746 |
. . . . 5
|
| 5 | 2, 4 | syl5bb 190 |
. . . 4
|
| 6 | 5 | abbidv 2196 |
. . 3
|
| 7 | 1, 6 | eqtrd 2113 |
. 2
|
| 8 | dfdm3 4540 |
. . 3
| |
| 9 | 8 | csbeq2i 2932 |
. 2
|
| 10 | dfdm3 4540 |
. 2
| |
| 11 | 7, 9, 10 | 3eqtr4g 2138 |
1
|
| 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-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
| This theorem depends on definitions: df-bi 115 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-v 2603 df-sbc 2816 df-csb 2909 df-br 3786 df-dm 4373 |
| This theorem is referenced by: sbcfng 5064 |
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