| Mathbox for Jim Kingdon |
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| Mirrors > Home > ILE Home > Th. List > Mathboxes > gsumgfsumlem | Unicode version | ||
| Description: Shifting the indexes of a group sum indexed by consecutive integers. (Contributed by Jim Kingdon, 26-Mar-2026.) |
| Ref | Expression |
|---|---|
| gsumgfsumlem.b |
|
| gsumgfsumlem.g |
|
| gsumgfsumlem.m |
|
| gsumgfsumlem.f |
|
| gsumgfsumlem.s |
|
| Ref | Expression |
|---|---|
| gsumgfsumlem |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gsumgfsumlem.m |
. . . 4
| |
| 2 | 1zzd 9499 |
. . . . 5
| |
| 3 | eluzel2 9753 |
. . . . . 6
| |
| 4 | 1, 3 | syl 14 |
. . . . 5
|
| 5 | 2, 4 | zsubcld 9600 |
. . . 4
|
| 6 | eluzelz 9758 |
. . . . . . . . . . . 12
| |
| 7 | 1, 6 | syl 14 |
. . . . . . . . . . 11
|
| 8 | 5, 4, 7 | mptfzshft 11996 |
. . . . . . . . . 10
|
| 9 | gsumgfsumlem.s |
. . . . . . . . . . . 12
| |
| 10 | 4 | zcnd 9596 |
. . . . . . . . . . . . . . 15
|
| 11 | 1cnd 8188 |
. . . . . . . . . . . . . . 15
| |
| 12 | 10, 11 | pncan3d 8486 |
. . . . . . . . . . . . . 14
|
| 13 | 12 | oveq1d 6028 |
. . . . . . . . . . . . 13
|
| 14 | 13 | mpteq1d 4172 |
. . . . . . . . . . . 12
|
| 15 | 9, 14 | eqtr4id 2281 |
. . . . . . . . . . 11
|
| 16 | 13 | eqcomd 2235 |
. . . . . . . . . . 11
|
| 17 | eqidd 2230 |
. . . . . . . . . . 11
| |
| 18 | 15, 16, 17 | f1oeq123d 5574 |
. . . . . . . . . 10
|
| 19 | 8, 18 | mpbird 167 |
. . . . . . . . 9
|
| 20 | f1of 5580 |
. . . . . . . . 9
| |
| 21 | 19, 20 | syl 14 |
. . . . . . . 8
|
| 22 | 21 | adantr 276 |
. . . . . . 7
|
| 23 | 1zzd 9499 |
. . . . . . . 8
| |
| 24 | 7, 5 | zaddcld 9599 |
. . . . . . . . 9
|
| 25 | 24 | adantr 276 |
. . . . . . . 8
|
| 26 | elfzelz 10253 |
. . . . . . . . . 10
| |
| 27 | 26 | adantl 277 |
. . . . . . . . 9
|
| 28 | 5 | adantr 276 |
. . . . . . . . 9
|
| 29 | 27, 28 | zaddcld 9599 |
. . . . . . . 8
|
| 30 | 4 | zred 9595 |
. . . . . . . . . . 11
|
| 31 | 30 | adantr 276 |
. . . . . . . . . 10
|
| 32 | 27 | zred 9595 |
. . . . . . . . . 10
|
| 33 | 1red 8187 |
. . . . . . . . . 10
| |
| 34 | elfzle1 10255 |
. . . . . . . . . . 11
| |
| 35 | 34 | adantl 277 |
. . . . . . . . . 10
|
| 36 | 31, 32, 33, 35 | lesub2dd 8735 |
. . . . . . . . 9
|
| 37 | 33, 31 | resubcld 8553 |
. . . . . . . . . 10
|
| 38 | 33, 32, 37 | lesubadd2d 8717 |
. . . . . . . . 9
|
| 39 | 36, 38 | mpbid 147 |
. . . . . . . 8
|
| 40 | 7 | zred 9595 |
. . . . . . . . . 10
|
| 41 | 40 | adantr 276 |
. . . . . . . . 9
|
| 42 | elfzle2 10256 |
. . . . . . . . . 10
| |
| 43 | 42 | adantl 277 |
. . . . . . . . 9
|
| 44 | 32, 41, 37, 43 | leadd1dd 8732 |
. . . . . . . 8
|
| 45 | 23, 25, 29, 39, 44 | elfzd 10244 |
. . . . . . 7
|
| 46 | fvco3 5713 |
. . . . . . 7
| |
| 47 | 22, 45, 46 | syl2anc 411 |
. . . . . 6
|
| 48 | 15 | adantr 276 |
. . . . . . . . . 10
|
| 49 | 48 | fveq1d 5637 |
. . . . . . . . 9
|
| 50 | eqid 2229 |
. . . . . . . . . 10
| |
| 51 | oveq1 6020 |
. . . . . . . . . 10
| |
| 52 | simpr 110 |
. . . . . . . . . . 11
| |
| 53 | 4 | adantr 276 |
. . . . . . . . . . . 12
|
| 54 | 7 | adantr 276 |
. . . . . . . . . . . 12
|
| 55 | fzaddel 10287 |
. . . . . . . . . . . 12
| |
| 56 | 53, 54, 27, 28, 55 | syl22anc 1272 |
. . . . . . . . . . 11
|
| 57 | 52, 56 | mpbid 147 |
. . . . . . . . . 10
|
| 58 | 29, 28 | zsubcld 9600 |
. . . . . . . . . 10
|
| 59 | 50, 51, 57, 58 | fvmptd3 5736 |
. . . . . . . . 9
|
| 60 | 49, 59 | eqtrd 2262 |
. . . . . . . 8
|
| 61 | 26 | zcnd 9596 |
. . . . . . . . . 10
|
| 62 | 61 | adantl 277 |
. . . . . . . . 9
|
| 63 | 11, 10 | subcld 8483 |
. . . . . . . . . 10
|
| 64 | 63 | adantr 276 |
. . . . . . . . 9
|
| 65 | 62, 64 | pncand 8484 |
. . . . . . . 8
|
| 66 | 60, 65 | eqtrd 2262 |
. . . . . . 7
|
| 67 | 66 | fveq2d 5639 |
. . . . . 6
|
| 68 | 47, 67 | eqtrd 2262 |
. . . . 5
|
| 69 | 68 | eqcomd 2235 |
. . . 4
|
| 70 | gsumgfsumlem.g |
. . . . 5
| |
| 71 | plusgslid 13188 |
. . . . . 6
| |
| 72 | 71 | slotex 13102 |
. . . . 5
|
| 73 | 70, 72 | syl 14 |
. . . 4
|
| 74 | gsumgfsumlem.f |
. . . . 5
| |
| 75 | 4, 7 | fzfigd 10686 |
. . . . 5
|
| 76 | 74, 75 | fexd 5879 |
. . . 4
|
| 77 | 2, 24 | fzfigd 10686 |
. . . . . 6
|
| 78 | mptexg 5874 |
. . . . . . 7
| |
| 79 | 9, 78 | eqeltrid 2316 |
. . . . . 6
|
| 80 | 77, 79 | syl 14 |
. . . . 5
|
| 81 | coexg 5279 |
. . . . 5
| |
| 82 | 76, 80, 81 | syl2anc 411 |
. . . 4
|
| 83 | 1, 5, 69, 73, 76, 82 | seqshft2g 10737 |
. . 3
|
| 84 | 12 | seqeq1d 10708 |
. . . 4
|
| 85 | 84 | fveq1d 5637 |
. . 3
|
| 86 | 83, 85 | eqtrd 2262 |
. 2
|
| 87 | gsumgfsumlem.b |
. . 3
| |
| 88 | eqid 2229 |
. . 3
| |
| 89 | 87, 88, 70, 1, 74 | gsumval2 13473 |
. 2
|
| 90 | 1red 8187 |
. . . . . 6
| |
| 91 | eluzle 9761 |
. . . . . . 7
| |
| 92 | 1, 91 | syl 14 |
. . . . . 6
|
| 93 | 30, 40, 90, 92 | lesub2dd 8735 |
. . . . 5
|
| 94 | 90, 30 | resubcld 8553 |
. . . . . 6
|
| 95 | 90, 40, 94 | lesubadd2d 8717 |
. . . . 5
|
| 96 | 93, 95 | mpbid 147 |
. . . 4
|
| 97 | eluz2 9754 |
. . . 4
| |
| 98 | 2, 24, 96, 97 | syl3anbrc 1205 |
. . 3
|
| 99 | fco 5497 |
. . . 4
| |
| 100 | 74, 21, 99 | syl2anc 411 |
. . 3
|
| 101 | 87, 88, 70, 98, 100 | gsumval2 13473 |
. 2
|
| 102 | 86, 89, 101 | 3eqtr4d 2272 |
1
|
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4202 ax-sep 4205 ax-nul 4213 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-iinf 4684 ax-cnex 8116 ax-resscn 8117 ax-1cn 8118 ax-1re 8119 ax-icn 8120 ax-addcl 8121 ax-addrcl 8122 ax-mulcl 8123 ax-addcom 8125 ax-addass 8127 ax-distr 8129 ax-i2m1 8130 ax-0lt1 8131 ax-0id 8133 ax-rnegex 8134 ax-cnre 8136 ax-pre-ltirr 8137 ax-pre-ltwlin 8138 ax-pre-lttrn 8139 ax-pre-apti 8140 ax-pre-ltadd 8141 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-nul 3493 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-iun 3970 df-br 4087 df-opab 4149 df-mpt 4150 df-tr 4186 df-id 4388 df-iord 4461 df-on 4463 df-ilim 4464 df-suc 4466 df-iom 4687 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-f1 5329 df-fo 5330 df-f1o 5331 df-fv 5332 df-riota 5966 df-ov 6016 df-oprab 6017 df-mpo 6018 df-1st 6298 df-2nd 6299 df-recs 6466 df-frec 6552 df-1o 6577 df-er 6697 df-en 6905 df-fin 6907 df-pnf 8209 df-mnf 8210 df-xr 8211 df-ltxr 8212 df-le 8213 df-sub 8345 df-neg 8346 df-inn 9137 df-2 9195 df-n0 9396 df-z 9473 df-uz 9749 df-fz 10237 df-seqfrec 10703 df-ndx 13078 df-slot 13079 df-base 13081 df-plusg 13166 df-0g 13334 df-igsum 13335 |
| This theorem is referenced by: gsumgfsum 16634 |
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