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Mirrors > Home > MPE Home > Th. List > sbccsb2 | Structured version Visualization version Unicode version |
Description: Substitution into a wff expressed in using substitution into a class. (Contributed by NM, 27-Nov-2005.) (Revised by NM, 18-Aug-2018.) |
Ref | Expression |
---|---|
sbccsb2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sbcex 3445 | . 2 | |
2 | elex 3212 | . 2 | |
3 | abid 2610 | . . . 4 | |
4 | 3 | sbcbii 3491 | . . 3 |
5 | sbcel12 3983 | . . . 4 | |
6 | csbvarg 4003 | . . . . 5 | |
7 | 6 | eleq1d 2686 | . . . 4 |
8 | 5, 7 | syl5bb 272 | . . 3 |
9 | 4, 8 | syl5bbr 274 | . 2 |
10 | 1, 2, 9 | pm5.21nii 368 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wcel 1990 cab 2608 cvv 3200 wsbc 3435 csb 3533 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-fal 1489 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-nul 3916 |
This theorem is referenced by: (None) |
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