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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 3146 |
. . 3
| |
| 2 | sbcex2 3043 |
. . . . 5
| |
| 3 | sbcel2g 3105 |
. . . . . 6
| |
| 4 | 3 | exbidv 1839 |
. . . . 5
|
| 5 | 2, 4 | bitrid 192 |
. . . 4
|
| 6 | 5 | abbidv 2314 |
. . 3
|
| 7 | 1, 6 | eqtrd 2229 |
. 2
|
| 8 | dfdm3 4853 |
. . 3
| |
| 9 | 8 | csbeq2i 3111 |
. 2
|
| 10 | dfdm3 4853 |
. 2
| |
| 11 | 7, 9, 10 | 3eqtr4g 2254 |
1
|
| 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 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 |
| This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-v 2765 df-sbc 2990 df-csb 3085 df-br 4034 df-dm 4673 |
| This theorem is referenced by: sbcfng 5405 |
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