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Mirrors > Home > MPE Home > Th. List > axpowndlem3 | Structured version Visualization version Unicode version |
Description: Lemma for the Axiom of Power Sets with no distinct variable conditions. (Contributed by NM, 4-Jan-2002.) (Revised by Mario Carneiro, 10-Dec-2016.) (Proof shortened by Wolf Lammen, 10-Jun-2019.) |
Ref | Expression |
---|---|
axpowndlem3 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sp 2053 |
. . 3
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2 | 1 | con3i 150 |
. 2
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3 | p0ex 4853 |
. . . . . . . 8
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4 | eleq2 2690 |
. . . . . . . . . 10
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5 | 4 | imbi2d 330 |
. . . . . . . . 9
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6 | 5 | albidv 1849 |
. . . . . . . 8
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7 | 3, 6 | spcev 3300 |
. . . . . . 7
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8 | 0ex 4790 |
. . . . . . . . 9
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9 | 8 | snid 4208 |
. . . . . . . 8
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10 | eleq1 2689 |
. . . . . . . 8
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11 | 9, 10 | mpbiri 248 |
. . . . . . 7
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12 | 7, 11 | mpg 1724 |
. . . . . 6
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13 | neq0 3930 |
. . . . . . . . . 10
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14 | 13 | con1bii 346 |
. . . . . . . . 9
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15 | 14 | imbi1i 339 |
. . . . . . . 8
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16 | 15 | albii 1747 |
. . . . . . 7
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17 | 16 | exbii 1774 |
. . . . . 6
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18 | 12, 17 | mpbir 221 |
. . . . 5
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19 | nfnae 2318 |
. . . . . 6
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20 | nfnae 2318 |
. . . . . . 7
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21 | nfcvf2 2789 |
. . . . . . . . . . 11
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22 | nfcvd 2765 |
. . . . . . . . . . 11
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23 | 21, 22 | nfeld 2773 |
. . . . . . . . . 10
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24 | 19, 23 | nfexd 2167 |
. . . . . . . . 9
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25 | 24 | nfnd 1785 |
. . . . . . . 8
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26 | 22, 21 | nfeld 2773 |
. . . . . . . 8
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27 | 25, 26 | nfimd 1823 |
. . . . . . 7
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28 | nfeqf2 2297 |
. . . . . . . . . . . 12
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29 | 19, 28 | nfan1 2068 |
. . . . . . . . . . 11
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30 | elequ2 2004 |
. . . . . . . . . . . 12
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31 | 30 | adantl 482 |
. . . . . . . . . . 11
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32 | 29, 31 | exbid 2091 |
. . . . . . . . . 10
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33 | 32 | notbid 308 |
. . . . . . . . 9
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34 | elequ1 1997 |
. . . . . . . . . 10
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35 | 34 | adantl 482 |
. . . . . . . . 9
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
36 | 33, 35 | imbi12d 334 |
. . . . . . . 8
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37 | 36 | ex 450 |
. . . . . . 7
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38 | 20, 27, 37 | cbvald 2277 |
. . . . . 6
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39 | 19, 38 | exbid 2091 |
. . . . 5
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40 | 18, 39 | mpbii 223 |
. . . 4
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41 | nfae 2316 |
. . . . 5
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42 | nfae 2316 |
. . . . . 6
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43 | axc11r 2187 |
. . . . . . . . . 10
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44 | alnex 1706 |
. . . . . . . . . 10
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45 | alnex 1706 |
. . . . . . . . . 10
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46 | 43, 44, 45 | 3imtr3g 284 |
. . . . . . . . 9
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47 | nd3 9411 |
. . . . . . . . . 10
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48 | 47 | pm2.21d 118 |
. . . . . . . . 9
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49 | 46, 48 | jad 174 |
. . . . . . . 8
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50 | 49 | spsd 2057 |
. . . . . . 7
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51 | 50 | imim1d 82 |
. . . . . 6
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52 | 42, 51 | alimd 2081 |
. . . . 5
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53 | 41, 52 | eximd 2085 |
. . . 4
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54 | 40, 53 | syl5com 31 |
. . 3
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55 | axpowndlem2 9420 |
. . 3
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56 | 54, 55 | pm2.61d 170 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
57 | 2, 56 | syl 17 |
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-8 1992 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-pow 4843 ax-pr 4906 ax-reg 8497 |
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-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-pw 4160 df-sn 4178 df-pr 4180 |
This theorem is referenced by: axpowndlem4 9422 |
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