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Mirrors > Home > MPE Home > Th. List > inuni | Structured version Visualization version Unicode version |
Description: The intersection of a union with a class is equal to the union of the intersections of each element of with . (Contributed by FL, 24-Mar-2007.) |
Ref | Expression |
---|---|
inuni |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluni2 4440 | . . . . 5 | |
2 | 1 | anbi1i 731 | . . . 4 |
3 | elin 3796 | . . . 4 | |
4 | ancom 466 | . . . . . . . 8 | |
5 | r19.41v 3089 | . . . . . . . 8 | |
6 | 4, 5 | bitr4i 267 | . . . . . . 7 |
7 | 6 | exbii 1774 | . . . . . 6 |
8 | rexcom4 3225 | . . . . . 6 | |
9 | 7, 8 | bitr4i 267 | . . . . 5 |
10 | vex 3203 | . . . . . . . . . 10 | |
11 | 10 | inex1 4799 | . . . . . . . . 9 |
12 | eleq2 2690 | . . . . . . . . 9 | |
13 | 11, 12 | ceqsexv 3242 | . . . . . . . 8 |
14 | elin 3796 | . . . . . . . 8 | |
15 | 13, 14 | bitri 264 | . . . . . . 7 |
16 | 15 | rexbii 3041 | . . . . . 6 |
17 | r19.41v 3089 | . . . . . 6 | |
18 | 16, 17 | bitri 264 | . . . . 5 |
19 | 9, 18 | bitri 264 | . . . 4 |
20 | 2, 3, 19 | 3bitr4i 292 | . . 3 |
21 | eluniab 4447 | . . 3 | |
22 | 20, 21 | bitr4i 267 | . 2 |
23 | 22 | eqriv 2619 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wa 384 wceq 1483 wex 1704 wcel 1990 cab 2608 wrex 2913 cin 3573 cuni 4436 |
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 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-v 3202 df-in 3581 df-uni 4437 |
This theorem is referenced by: (None) |
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