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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 3019 |
. 2
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2 | findcard2sd.a |
. . . 4
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3 | 2 | adantr 270 |
. . 3
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4 | sseq1 3021 |
. . . . . 6
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5 | 4 | anbi2d 452 |
. . . . 5
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6 | findcard2sd.ch |
. . . . 5
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7 | 5, 6 | imbi12d 232 |
. . . 4
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8 | sseq1 3021 |
. . . . . 6
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9 | 8 | anbi2d 452 |
. . . . 5
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10 | findcard2sd.th |
. . . . 5
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11 | 9, 10 | imbi12d 232 |
. . . 4
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12 | sseq1 3021 |
. . . . . 6
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13 | 12 | anbi2d 452 |
. . . . 5
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14 | findcard2sd.ta |
. . . . 5
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15 | 13, 14 | imbi12d 232 |
. . . 4
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16 | sseq1 3021 |
. . . . . 6
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17 | 16 | anbi2d 452 |
. . . . 5
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18 | findcard2sd.et |
. . . . 5
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19 | 17, 18 | imbi12d 232 |
. . . 4
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20 | findcard2sd.z |
. . . . 5
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21 | 20 | adantr 270 |
. . . 4
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22 | simprl 498 |
. . . . . . . 8
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23 | simprr 499 |
. . . . . . . . 9
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24 | 23 | unssad 3150 |
. . . . . . . 8
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25 | 22, 24 | jca 300 |
. . . . . . 7
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26 | simpll 496 |
. . . . . . . 8
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27 | id 19 |
. . . . . . . . . . 11
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28 | vsnid 3434 |
. . . . . . . . . . . 12
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29 | elun2 3141 |
. . . . . . . . . . . 12
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30 | 28, 29 | mp1i 10 |
. . . . . . . . . . 11
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31 | 27, 30 | sseldd 3001 |
. . . . . . . . . 10
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32 | 31 | ad2antll 475 |
. . . . . . . . 9
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33 | simplr 497 |
. . . . . . . . 9
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34 | 32, 33 | eldifd 2984 |
. . . . . . . 8
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35 | findcard2sd.i |
. . . . . . . 8
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36 | 22, 26, 24, 34, 35 | syl22anc 1171 |
. . . . . . 7
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37 | 25, 36 | embantd 55 |
. . . . . 6
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38 | 37 | ex 113 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
39 | 38 | com23 77 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
40 | 7, 11, 15, 19, 21, 39 | findcard2s 6424 |
. . 3
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41 | 3, 40 | mpcom 36 |
. 2
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42 | 1, 41 | mpan2 416 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 577 ax-in2 578 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-13 1445 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-coll 3901 ax-sep 3904 ax-nul 3912 ax-pow 3956 ax-pr 3972 ax-un 4196 ax-setind 4288 ax-iinf 4337 |
This theorem depends on definitions: df-bi 115 df-dc 777 df-3or 921 df-3an 922 df-tru 1288 df-fal 1291 df-nf 1391 df-sb 1687 df-eu 1945 df-mo 1946 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ne 2247 df-ral 2354 df-rex 2355 df-reu 2356 df-rab 2358 df-v 2604 df-sbc 2817 df-csb 2910 df-dif 2976 df-un 2978 df-in 2980 df-ss 2987 df-nul 3259 df-if 3360 df-pw 3392 df-sn 3412 df-pr 3413 df-op 3415 df-uni 3610 df-int 3645 df-iun 3688 df-br 3794 df-opab 3848 df-mpt 3849 df-tr 3884 df-id 4056 df-iord 4129 df-on 4131 df-suc 4134 df-iom 4340 df-xp 4377 df-rel 4378 df-cnv 4379 df-co 4380 df-dm 4381 df-rn 4382 df-res 4383 df-ima 4384 df-iota 4897 df-fun 4934 df-fn 4935 df-f 4936 df-f1 4937 df-fo 4938 df-f1o 4939 df-fv 4940 df-er 6172 df-en 6288 df-fin 6290 |
This theorem is referenced by: unfidisj 6442 undiffi 6443 fnfi 6446 sizeunlem 9828 |
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