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Mirrors > Home > ILE Home > Th. List > findcard2sd | Unicode version |
Description: Deduction form of finite set induction . (Contributed by Jim Kingdon, 14-Sep-2021.) |
Ref | Expression |
---|---|
findcard2sd.ch |
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findcard2sd.th |
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findcard2sd.ta |
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findcard2sd.et |
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findcard2sd.z |
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findcard2sd.i |
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findcard2sd.a |
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Ref | Expression |
---|---|
findcard2sd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssid 3190 |
. 2
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2 | findcard2sd.a |
. . . 4
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3 | 2 | adantr 276 |
. . 3
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4 | sseq1 3193 |
. . . . . 6
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5 | 4 | anbi2d 464 |
. . . . 5
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6 | findcard2sd.ch |
. . . . 5
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7 | 5, 6 | imbi12d 234 |
. . . 4
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8 | sseq1 3193 |
. . . . . 6
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9 | 8 | anbi2d 464 |
. . . . 5
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10 | findcard2sd.th |
. . . . 5
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11 | 9, 10 | imbi12d 234 |
. . . 4
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12 | sseq1 3193 |
. . . . . 6
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13 | 12 | anbi2d 464 |
. . . . 5
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14 | findcard2sd.ta |
. . . . 5
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15 | 13, 14 | imbi12d 234 |
. . . 4
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16 | sseq1 3193 |
. . . . . 6
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17 | 16 | anbi2d 464 |
. . . . 5
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18 | findcard2sd.et |
. . . . 5
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19 | 17, 18 | imbi12d 234 |
. . . 4
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20 | findcard2sd.z |
. . . . 5
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21 | 20 | adantr 276 |
. . . 4
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22 | simprl 529 |
. . . . . . . 8
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23 | simprr 531 |
. . . . . . . . 9
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24 | 23 | unssad 3327 |
. . . . . . . 8
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25 | 22, 24 | jca 306 |
. . . . . . 7
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26 | simpll 527 |
. . . . . . . 8
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27 | id 19 |
. . . . . . . . . . 11
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28 | vsnid 3639 |
. . . . . . . . . . . 12
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29 | elun2 3318 |
. . . . . . . . . . . 12
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30 | 28, 29 | mp1i 10 |
. . . . . . . . . . 11
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31 | 27, 30 | sseldd 3171 |
. . . . . . . . . 10
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32 | 31 | ad2antll 491 |
. . . . . . . . 9
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33 | simplr 528 |
. . . . . . . . 9
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34 | 32, 33 | eldifd 3154 |
. . . . . . . 8
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35 | findcard2sd.i |
. . . . . . . 8
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36 | 22, 26, 24, 34, 35 | syl22anc 1250 |
. . . . . . 7
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37 | 25, 36 | embantd 56 |
. . . . . 6
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38 | 37 | ex 115 |
. . . . 5
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39 | 38 | com23 78 |
. . . 4
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40 | 7, 11, 15, 19, 21, 39 | findcard2s 6908 |
. . 3
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41 | 3, 40 | mpcom 36 |
. 2
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42 | 1, 41 | mpan2 425 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2162 ax-14 2163 ax-ext 2171 ax-coll 4133 ax-sep 4136 ax-nul 4144 ax-pow 4189 ax-pr 4224 ax-un 4448 ax-setind 4551 ax-iinf 4602 |
This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ne 2361 df-ral 2473 df-rex 2474 df-reu 2475 df-rab 2477 df-v 2754 df-sbc 2978 df-csb 3073 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-nul 3438 df-if 3550 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-int 3860 df-iun 3903 df-br 4019 df-opab 4080 df-mpt 4081 df-tr 4117 df-id 4308 df-iord 4381 df-on 4383 df-suc 4386 df-iom 4605 df-xp 4647 df-rel 4648 df-cnv 4649 df-co 4650 df-dm 4651 df-rn 4652 df-res 4653 df-ima 4654 df-iota 5193 df-fun 5233 df-fn 5234 df-f 5235 df-f1 5236 df-fo 5237 df-f1o 5238 df-fv 5239 df-er 6553 df-en 6759 df-fin 6761 |
This theorem is referenced by: fimax2gtri 6919 finexdc 6920 unfidisj 6939 undifdc 6941 ssfirab 6951 fnfi 6955 dcfi 6999 difinfinf 7119 hashunlem 10803 hashxp 10825 fsumconst 11481 fsumrelem 11498 fprodcl2lem 11632 fprodconst 11647 fprodap0 11648 fprodrec 11656 fprodap0f 11663 fprodle 11667 fprodmodd 11668 iuncld 14018 fsumcncntop 14459 |
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