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Mirrors > Home > MPE Home > Th. List > sbcfung | Structured version Visualization version Unicode version |
Description: Distribute proper substitution through the function predicate. (Contributed by Alexander van der Vekens, 23-Jul-2017.) |
Ref | Expression |
---|---|
sbcfung |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sbcan 3478 | . . 3 | |
2 | sbcrel 5205 | . . . 4 | |
3 | sbcal 3485 | . . . . 5 | |
4 | sbcex2 3486 | . . . . . . 7 | |
5 | sbcal 3485 | . . . . . . . . 9 | |
6 | sbcimg 3477 | . . . . . . . . . . 11 | |
7 | sbcbr123 4706 | . . . . . . . . . . . . 13 | |
8 | csbconstg 3546 | . . . . . . . . . . . . . 14 | |
9 | csbconstg 3546 | . . . . . . . . . . . . . 14 | |
10 | 8, 9 | breq12d 4666 | . . . . . . . . . . . . 13 |
11 | 7, 10 | syl5bb 272 | . . . . . . . . . . . 12 |
12 | sbcg 3503 | . . . . . . . . . . . 12 | |
13 | 11, 12 | imbi12d 334 | . . . . . . . . . . 11 |
14 | 6, 13 | bitrd 268 | . . . . . . . . . 10 |
15 | 14 | albidv 1849 | . . . . . . . . 9 |
16 | 5, 15 | syl5bb 272 | . . . . . . . 8 |
17 | 16 | exbidv 1850 | . . . . . . 7 |
18 | 4, 17 | syl5bb 272 | . . . . . 6 |
19 | 18 | albidv 1849 | . . . . 5 |
20 | 3, 19 | syl5bb 272 | . . . 4 |
21 | 2, 20 | anbi12d 747 | . . 3 |
22 | 1, 21 | syl5bb 272 | . 2 |
23 | dffun3 5899 | . . 3 | |
24 | 23 | sbcbii 3491 | . 2 |
25 | dffun3 5899 | . 2 | |
26 | 22, 24, 25 | 3bitr4g 303 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wal 1481 wex 1704 wcel 1990 wsbc 3435 csb 3533 class class class wbr 4653 wrel 5119 wfun 5882 |
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 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-fal 1489 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-id 5024 df-rel 5121 df-cnv 5122 df-co 5123 df-fun 5890 |
This theorem is referenced by: sbcfng 6042 esum2dlem 30154 |
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