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Mirrors > Home > ILE Home > Th. List > sbccsb2g | Unicode version |
Description: Substitution into a wff expressed in using substitution into a class. (Contributed by NM, 27-Nov-2005.) |
Ref | Expression |
---|---|
sbccsb2g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | abid 2028 | . . 3 | |
2 | 1 | sbcbii 2818 | . 2 |
3 | sbcel12g 2865 | . . 3 | |
4 | csbvarg 2877 | . . . 4 | |
5 | 4 | eleq1d 2106 | . . 3 |
6 | 3, 5 | bitrd 177 | . 2 |
7 | 2, 6 | syl5bbr 183 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 98 wcel 1393 cab 2026 wsbc 2764 csb 2852 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-tru 1246 df-nf 1350 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-v 2559 df-sbc 2765 df-csb 2853 |
This theorem is referenced by: (None) |
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