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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 3110 | . . 3 | |
2 | sbcex2 3008 | . . . . 5 | |
3 | sbcel2g 3070 | . . . . . 6 | |
4 | 3 | exbidv 1818 | . . . . 5 |
5 | 2, 4 | syl5bb 191 | . . . 4 |
6 | 5 | abbidv 2288 | . . 3 |
7 | 1, 6 | eqtrd 2203 | . 2 |
8 | dfdm3 4798 | . . 3 | |
9 | 8 | csbeq2i 3076 | . 2 |
10 | dfdm3 4798 | . 2 | |
11 | 7, 9, 10 | 3eqtr4g 2228 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1348 wex 1485 wcel 2141 cab 2156 wsbc 2955 csb 3049 cop 3586 cdm 4611 |
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-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-ext 2152 |
This theorem depends on definitions: df-bi 116 df-tru 1351 df-nf 1454 df-sb 1756 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-v 2732 df-sbc 2956 df-csb 3050 df-br 3990 df-dm 4621 |
This theorem is referenced by: sbcfng 5345 |
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