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Mirrors > Home > ILE Home > Th. List > sum0 | Unicode version |
Description: Any sum over the empty set is zero. (Contributed by Mario Carneiro, 12-Aug-2013.) (Revised by Mario Carneiro, 20-Apr-2014.) |
Ref | Expression |
---|---|
sum0 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnuz 9263 |
. . . 4
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2 | 1zzd 8985 |
. . . 4
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3 | 0ss 3367 |
. . . . 5
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4 | 3 | a1i 9 |
. . . 4
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5 | simpr 109 |
. . . . . . 7
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6 | 5, 1 | syl6eleq 2207 |
. . . . . 6
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7 | c0ex 7684 |
. . . . . . 7
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8 | 7 | fvconst2 5590 |
. . . . . 6
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9 | 6, 8 | syl 14 |
. . . . 5
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10 | noel 3333 |
. . . . . 6
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11 | 10 | iffalsei 3449 |
. . . . 5
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12 | 9, 11 | syl6eqr 2165 |
. . . 4
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13 | noel 3333 |
. . . . . . . 8
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14 | 13 | olci 704 |
. . . . . . 7
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15 | df-dc 803 |
. . . . . . 7
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16 | 14, 15 | mpbir 145 |
. . . . . 6
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17 | 16 | rgenw 2461 |
. . . . 5
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18 | 17 | a1i 9 |
. . . 4
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19 | 10 | pm2.21i 618 |
. . . . 5
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20 | 19 | adantl 273 |
. . . 4
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21 | 1, 2, 4, 12, 18, 20 | zsumdc 11045 |
. . 3
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22 | 21 | mptru 1323 |
. 2
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23 | fclim 10955 |
. . . 4
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24 | ffun 5233 |
. . . 4
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25 | 23, 24 | ax-mp 7 |
. . 3
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26 | 1z 8984 |
. . . 4
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27 | serclim0 10966 |
. . . 4
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28 | 26, 27 | ax-mp 7 |
. . 3
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29 | funbrfv 5414 |
. . 3
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30 | 25, 28, 29 | mp2 16 |
. 2
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31 | 22, 30 | eqtri 2135 |
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 105 ax-ia2 106 ax-ia3 107 ax-in1 586 ax-in2 587 ax-io 681 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-10 1466 ax-11 1467 ax-i12 1468 ax-bndl 1469 ax-4 1470 ax-13 1474 ax-14 1475 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 ax-coll 4003 ax-sep 4006 ax-nul 4014 ax-pow 4058 ax-pr 4091 ax-un 4315 ax-setind 4412 ax-iinf 4462 ax-cnex 7636 ax-resscn 7637 ax-1cn 7638 ax-1re 7639 ax-icn 7640 ax-addcl 7641 ax-addrcl 7642 ax-mulcl 7643 ax-mulrcl 7644 ax-addcom 7645 ax-mulcom 7646 ax-addass 7647 ax-mulass 7648 ax-distr 7649 ax-i2m1 7650 ax-0lt1 7651 ax-1rid 7652 ax-0id 7653 ax-rnegex 7654 ax-precex 7655 ax-cnre 7656 ax-pre-ltirr 7657 ax-pre-ltwlin 7658 ax-pre-lttrn 7659 ax-pre-apti 7660 ax-pre-ltadd 7661 ax-pre-mulgt0 7662 ax-pre-mulext 7663 ax-arch 7664 ax-caucvg 7665 |
This theorem depends on definitions: df-bi 116 df-dc 803 df-3or 946 df-3an 947 df-tru 1317 df-fal 1320 df-nf 1420 df-sb 1719 df-eu 1978 df-mo 1979 df-clab 2102 df-cleq 2108 df-clel 2111 df-nfc 2244 df-ne 2283 df-nel 2378 df-ral 2395 df-rex 2396 df-reu 2397 df-rmo 2398 df-rab 2399 df-v 2659 df-sbc 2879 df-csb 2972 df-dif 3039 df-un 3041 df-in 3043 df-ss 3050 df-nul 3330 df-if 3441 df-pw 3478 df-sn 3499 df-pr 3500 df-op 3502 df-uni 3703 df-int 3738 df-iun 3781 df-br 3896 df-opab 3950 df-mpt 3951 df-tr 3987 df-id 4175 df-po 4178 df-iso 4179 df-iord 4248 df-on 4250 df-ilim 4251 df-suc 4253 df-iom 4465 df-xp 4505 df-rel 4506 df-cnv 4507 df-co 4508 df-dm 4509 df-rn 4510 df-res 4511 df-ima 4512 df-iota 5046 df-fun 5083 df-fn 5084 df-f 5085 df-f1 5086 df-fo 5087 df-f1o 5088 df-fv 5089 df-isom 5090 df-riota 5684 df-ov 5731 df-oprab 5732 df-mpo 5733 df-1st 5992 df-2nd 5993 df-recs 6156 df-irdg 6221 df-frec 6242 df-1o 6267 df-oadd 6271 df-er 6383 df-en 6589 df-dom 6590 df-fin 6591 df-pnf 7726 df-mnf 7727 df-xr 7728 df-ltxr 7729 df-le 7730 df-sub 7858 df-neg 7859 df-reap 8255 df-ap 8262 df-div 8346 df-inn 8631 df-2 8689 df-3 8690 df-4 8691 df-n0 8882 df-z 8959 df-uz 9229 df-q 9314 df-rp 9344 df-fz 9684 df-fzo 9813 df-seqfrec 10112 df-exp 10186 df-ihash 10415 df-cj 10507 df-re 10508 df-im 10509 df-rsqrt 10662 df-abs 10663 df-clim 10940 df-sumdc 11015 |
This theorem is referenced by: isumz 11050 fsumf1o 11051 fsumcllem 11060 fsumadd 11067 fsum2d 11096 fisumrev2 11107 fsummulc2 11109 fsumconst 11115 modfsummod 11119 fsumabs 11126 telfsumo 11127 fsumparts 11131 fsumrelem 11132 fsumiun 11138 isumsplit 11152 arisum 11159 arisum2 11160 cvgratnnlemseq 11187 fsumcncntop 12542 |
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