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Mirrors > Home > MPE Home > Th. List > sbccsb | Structured version Visualization version Unicode version |
Description: Substitution into a wff expressed in terms of substitution into a class. (Contributed by NM, 15-Aug-2007.) (Revised by NM, 18-Aug-2018.) |
Ref | Expression |
---|---|
sbccsb |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | abid 2610 | . . 3 | |
2 | 1 | sbcbii 3491 | . 2 |
3 | sbcel2 3989 | . 2 | |
4 | 2, 3 | bitr3i 266 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wcel 1990 cab 2608 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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