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Mirrors > Home > MPE Home > Th. List > kmlem11 | Structured version Visualization version Unicode version |
Description: Lemma for 5-quantifier AC of Kurt Maes, Th. 4, part of 3 => 4. (Contributed by NM, 26-Mar-2004.) |
Ref | Expression |
---|---|
kmlem9.1 |
Ref | Expression |
---|---|
kmlem11 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | kmlem9.1 | . . . . . 6 | |
2 | 1 | unieqi 4445 | . . . . 5 |
3 | vex 3203 | . . . . . . 7 | |
4 | 3 | difexi 4809 | . . . . . 6 |
5 | 4 | dfiun2 4554 | . . . . 5 |
6 | 2, 5 | eqtr4i 2647 | . . . 4 |
7 | 6 | ineq2i 3811 | . . 3 |
8 | iunin2 4584 | . . 3 | |
9 | 7, 8 | eqtr4i 2647 | . 2 |
10 | undif2 4044 | . . . . . 6 | |
11 | snssi 4339 | . . . . . . 7 | |
12 | ssequn1 3783 | . . . . . . 7 | |
13 | 11, 12 | sylib 208 | . . . . . 6 |
14 | 10, 13 | syl5req 2669 | . . . . 5 |
15 | 14 | iuneq1d 4545 | . . . 4 |
16 | iunxun 4605 | . . . . . 6 | |
17 | vex 3203 | . . . . . . . 8 | |
18 | difeq1 3721 | . . . . . . . . . 10 | |
19 | sneq 4187 | . . . . . . . . . . . . 13 | |
20 | 19 | difeq2d 3728 | . . . . . . . . . . . 12 |
21 | 20 | unieqd 4446 | . . . . . . . . . . 11 |
22 | 21 | difeq2d 3728 | . . . . . . . . . 10 |
23 | 18, 22 | eqtrd 2656 | . . . . . . . . 9 |
24 | 23 | ineq2d 3814 | . . . . . . . 8 |
25 | 17, 24 | iunxsn 4603 | . . . . . . 7 |
26 | 25 | uneq1i 3763 | . . . . . 6 |
27 | 16, 26 | eqtri 2644 | . . . . 5 |
28 | eldifsni 4320 | . . . . . . . . . 10 | |
29 | incom 3805 | . . . . . . . . . . . 12 | |
30 | kmlem4 8975 | . . . . . . . . . . . 12 | |
31 | 29, 30 | syl5eq 2668 | . . . . . . . . . . 11 |
32 | 31 | ex 450 | . . . . . . . . . 10 |
33 | 28, 32 | syl5 34 | . . . . . . . . 9 |
34 | 33 | ralrimiv 2965 | . . . . . . . 8 |
35 | iuneq2 4537 | . . . . . . . 8 | |
36 | 34, 35 | syl 17 | . . . . . . 7 |
37 | iun0 4576 | . . . . . . 7 | |
38 | 36, 37 | syl6eq 2672 | . . . . . 6 |
39 | 38 | uneq2d 3767 | . . . . 5 |
40 | 27, 39 | syl5eq 2668 | . . . 4 |
41 | 15, 40 | eqtrd 2656 | . . 3 |
42 | un0 3967 | . . . 4 | |
43 | indif 3869 | . . . 4 | |
44 | 42, 43 | eqtri 2644 | . . 3 |
45 | 41, 44 | syl6eq 2672 | . 2 |
46 | 9, 45 | syl5eq 2668 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wcel 1990 cab 2608 wne 2794 wral 2912 wrex 2913 cdif 3571 cun 3572 cin 3573 wss 3574 c0 3915 csn 4177 cuni 4436 ciun 4520 |
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-3an 1039 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-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-sn 4178 df-uni 4437 df-iun 4522 |
This theorem is referenced by: kmlem12 8983 |
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