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Mirrors > Home > MPE Home > Th. List > kmlem9 | Structured version Visualization version Unicode version |
Description: Lemma for 5-quantifier AC of Kurt Maes, Th. 4, part of 3 => 4. (Contributed by NM, 25-Mar-2004.) |
Ref | Expression |
---|---|
kmlem9.1 |
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Ref | Expression |
---|---|
kmlem9 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vex 3203 |
. . . 4
![]() ![]() ![]() ![]() | |
2 | eqeq1 2626 |
. . . . 5
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3 | 2 | rexbidv 3052 |
. . . 4
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4 | kmlem9.1 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | 1, 3, 4 | elab2 3354 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
6 | vex 3203 |
. . . . 5
![]() ![]() ![]() ![]() | |
7 | eqeq1 2626 |
. . . . . 6
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8 | 7 | rexbidv 3052 |
. . . . 5
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9 | 6, 8, 4 | elab2 3354 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
10 | difeq1 3721 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
11 | sneq 4187 |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
12 | 11 | difeq2d 3728 |
. . . . . . . . 9
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13 | 12 | unieqd 4446 |
. . . . . . . 8
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14 | 13 | difeq2d 3728 |
. . . . . . 7
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15 | 10, 14 | eqtrd 2656 |
. . . . . 6
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16 | 15 | eqeq2d 2632 |
. . . . 5
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17 | 16 | cbvrexv 3172 |
. . . 4
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18 | 9, 17 | bitri 264 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
19 | reeanv 3107 |
. . . 4
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20 | eqeq12 2635 |
. . . . . . . . . 10
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21 | 15, 20 | syl5ibr 236 |
. . . . . . . . 9
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22 | 21 | necon3d 2815 |
. . . . . . . 8
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23 | kmlem5 8976 |
. . . . . . . . . 10
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24 | ineq12 3809 |
. . . . . . . . . . 11
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25 | 24 | eqeq1d 2624 |
. . . . . . . . . 10
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26 | 23, 25 | syl5ibr 236 |
. . . . . . . . 9
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27 | 26 | expd 452 |
. . . . . . . 8
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28 | 22, 27 | syl5d 73 |
. . . . . . 7
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29 | 28 | com12 32 |
. . . . . 6
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30 | 29 | adantl 482 |
. . . . 5
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31 | 30 | rexlimivv 3036 |
. . . 4
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32 | 19, 31 | sylbir 225 |
. . 3
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33 | 5, 18, 32 | syl2anb 496 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
34 | 33 | rgen2a 2977 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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-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-dif 3577 df-in 3581 df-ss 3588 df-nul 3916 df-sn 4178 df-uni 4437 |
This theorem is referenced by: kmlem10 8981 |
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