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Mirrors > Home > MPE Home > Th. List > uniinqs | Structured version Visualization version Unicode version |
Description: Class union distributes over the intersection of two subclasses of a quotient space. Compare uniin 4457. (Contributed by FL, 25-May-2007.) (Proof shortened by Mario Carneiro, 11-Jul-2014.) |
Ref | Expression |
---|---|
uniinqs.1 |
Ref | Expression |
---|---|
uniinqs |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uniin 4457 | . . 3 | |
2 | 1 | a1i 11 | . 2 |
3 | eluni2 4440 | . . . . . 6 | |
4 | eluni2 4440 | . . . . . 6 | |
5 | 3, 4 | anbi12i 733 | . . . . 5 |
6 | elin 3796 | . . . . 5 | |
7 | reeanv 3107 | . . . . 5 | |
8 | 5, 6, 7 | 3bitr4i 292 | . . . 4 |
9 | simp3l 1089 | . . . . . . 7 | |
10 | simp2l 1087 | . . . . . . . 8 | |
11 | inelcm 4032 | . . . . . . . . . . 11 | |
12 | 11 | 3ad2ant3 1084 | . . . . . . . . . 10 |
13 | uniinqs.1 | . . . . . . . . . . . . . 14 | |
14 | 13 | a1i 11 | . . . . . . . . . . . . 13 |
15 | simp1l 1085 | . . . . . . . . . . . . . 14 | |
16 | 15, 10 | sseldd 3604 | . . . . . . . . . . . . 13 |
17 | simp1r 1086 | . . . . . . . . . . . . . 14 | |
18 | simp2r 1088 | . . . . . . . . . . . . . 14 | |
19 | 17, 18 | sseldd 3604 | . . . . . . . . . . . . 13 |
20 | 14, 16, 19 | qsdisj 7824 | . . . . . . . . . . . 12 |
21 | 20 | ord 392 | . . . . . . . . . . 11 |
22 | 21 | necon1ad 2811 | . . . . . . . . . 10 |
23 | 12, 22 | mpd 15 | . . . . . . . . 9 |
24 | 23, 18 | eqeltrd 2701 | . . . . . . . 8 |
25 | 10, 24 | elind 3798 | . . . . . . 7 |
26 | elunii 4441 | . . . . . . 7 | |
27 | 9, 25, 26 | syl2anc 693 | . . . . . 6 |
28 | 27 | 3expia 1267 | . . . . 5 |
29 | 28 | rexlimdvva 3038 | . . . 4 |
30 | 8, 29 | syl5bi 232 | . . 3 |
31 | 30 | ssrdv 3609 | . 2 |
32 | 2, 31 | eqssd 3620 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 w3a 1037 wceq 1483 wcel 1990 wne 2794 wrex 2913 cin 3573 wss 3574 c0 3915 cuni 4436 wer 7739 cqs 7741 |
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-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-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 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-uni 4437 df-br 4654 df-opab 4713 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-er 7742 df-ec 7744 df-qs 7748 |
This theorem is referenced by: (None) |
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