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| Mirrors > Home > ILE Home > Th. List > sumsnf | Unicode version | ||
| Description: A sum of a singleton is the term. A version of sumsn 11938 using bound-variable hypotheses instead of distinct variable conditions. (Contributed by Glauco Siliprandi, 5-Apr-2020.) |
| Ref | Expression |
|---|---|
| sumsnf.1 |
|
| sumsnf.2 |
|
| Ref | Expression |
|---|---|
| sumsnf |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2372 |
. . . . 5
| |
| 2 | nfcsb1v 3157 |
. . . . 5
| |
| 3 | csbeq1a 3133 |
. . . . 5
| |
| 4 | 1, 2, 3 | cbvsumi 11889 |
. . . 4
|
| 5 | csbeq1 3127 |
. . . . 5
| |
| 6 | 1nn 9132 |
. . . . . 6
| |
| 7 | 6 | a1i 9 |
. . . . 5
|
| 8 | simpl 109 |
. . . . . . 7
| |
| 9 | f1osng 5616 |
. . . . . . 7
| |
| 10 | 6, 8, 9 | sylancr 414 |
. . . . . 6
|
| 11 | 1z 9483 |
. . . . . . 7
| |
| 12 | fzsn 10274 |
. . . . . . 7
| |
| 13 | f1oeq2 5563 |
. . . . . . 7
| |
| 14 | 11, 12, 13 | mp2b 8 |
. . . . . 6
|
| 15 | 10, 14 | sylibr 134 |
. . . . 5
|
| 16 | elsni 3684 |
. . . . . . . 8
| |
| 17 | 16 | adantl 277 |
. . . . . . 7
|
| 18 | 17 | csbeq1d 3131 |
. . . . . 6
|
| 19 | sumsnf.1 |
. . . . . . . . . 10
| |
| 20 | 19 | a1i 9 |
. . . . . . . . 9
|
| 21 | sumsnf.2 |
. . . . . . . . 9
| |
| 22 | 20, 21 | csbiegf 3168 |
. . . . . . . 8
|
| 23 | 22 | ad2antrr 488 |
. . . . . . 7
|
| 24 | simplr 528 |
. . . . . . 7
| |
| 25 | 23, 24 | eqeltrd 2306 |
. . . . . 6
|
| 26 | 18, 25 | eqeltrd 2306 |
. . . . 5
|
| 27 | 22 | ad2antrr 488 |
. . . . . 6
|
| 28 | elfz1eq 10243 |
. . . . . . . . 9
| |
| 29 | 28 | fveq2d 5633 |
. . . . . . . 8
|
| 30 | fvsng 5839 |
. . . . . . . . 9
| |
| 31 | 6, 8, 30 | sylancr 414 |
. . . . . . . 8
|
| 32 | 29, 31 | sylan9eqr 2284 |
. . . . . . 7
|
| 33 | 32 | csbeq1d 3131 |
. . . . . 6
|
| 34 | 28 | fveq2d 5633 |
. . . . . . 7
|
| 35 | simpr 110 |
. . . . . . . 8
| |
| 36 | fvsng 5839 |
. . . . . . . 8
| |
| 37 | 6, 35, 36 | sylancr 414 |
. . . . . . 7
|
| 38 | 34, 37 | sylan9eqr 2284 |
. . . . . 6
|
| 39 | 27, 33, 38 | 3eqtr4rd 2273 |
. . . . 5
|
| 40 | 5, 7, 15, 26, 39 | fsum3 11914 |
. . . 4
|
| 41 | 4, 40 | eqtrid 2274 |
. . 3
|
| 42 | 1zzd 9484 |
. . . 4
| |
| 43 | eqid 2229 |
. . . . . 6
| |
| 44 | breq1 4086 |
. . . . . . 7
| |
| 45 | fveq2 5629 |
. . . . . . 7
| |
| 46 | 44, 45 | ifbieq1d 3625 |
. . . . . 6
|
| 47 | elnnuz 9771 |
. . . . . . . 8
| |
| 48 | 47 | biimpri 133 |
. . . . . . 7
|
| 49 | 48 | adantl 277 |
. . . . . 6
|
| 50 | simpr 110 |
. . . . . . . . . . 11
| |
| 51 | eluzle 9746 |
. . . . . . . . . . . 12
| |
| 52 | 51 | ad2antlr 489 |
. . . . . . . . . . 11
|
| 53 | eluzelre 9744 |
. . . . . . . . . . . . 13
| |
| 54 | 53 | ad2antlr 489 |
. . . . . . . . . . . 12
|
| 55 | 1red 8172 |
. . . . . . . . . . . 12
| |
| 56 | 54, 55 | letri3d 8273 |
. . . . . . . . . . 11
|
| 57 | 50, 52, 56 | mpbir2and 950 |
. . . . . . . . . 10
|
| 58 | 57 | fveq2d 5633 |
. . . . . . . . 9
|
| 59 | 37 | ad2antrr 488 |
. . . . . . . . 9
|
| 60 | 58, 59 | eqtrd 2262 |
. . . . . . . 8
|
| 61 | 35 | ad2antrr 488 |
. . . . . . . 8
|
| 62 | 60, 61 | eqeltrd 2306 |
. . . . . . 7
|
| 63 | 0cnd 8150 |
. . . . . . 7
| |
| 64 | 49 | nnzd 9579 |
. . . . . . . 8
|
| 65 | 1zzd 9484 |
. . . . . . . 8
| |
| 66 | zdcle 9534 |
. . . . . . . 8
| |
| 67 | 64, 65, 66 | syl2anc 411 |
. . . . . . 7
|
| 68 | 62, 63, 67 | ifcldadc 3632 |
. . . . . 6
|
| 69 | 43, 46, 49, 68 | fvmptd3 5730 |
. . . . 5
|
| 70 | 69, 68 | eqeltrd 2306 |
. . . 4
|
| 71 | addcl 8135 |
. . . . 5
| |
| 72 | 71 | adantl 277 |
. . . 4
|
| 73 | 42, 70, 72 | seq3-1 10696 |
. . 3
|
| 74 | 41, 73 | eqtrd 2262 |
. 2
|
| 75 | 1le1 8730 |
. . . . . 6
| |
| 76 | 75 | iftruei 3608 |
. . . . 5
|
| 77 | 76, 37 | eqtrid 2274 |
. . . 4
|
| 78 | 77, 35 | eqeltrd 2306 |
. . 3
|
| 79 | breq1 4086 |
. . . . 5
| |
| 80 | fveq2 5629 |
. . . . 5
| |
| 81 | 79, 80 | ifbieq1d 3625 |
. . . 4
|
| 82 | 81, 43 | fvmptg 5712 |
. . 3
|
| 83 | 6, 78, 82 | sylancr 414 |
. 2
|
| 84 | 74, 83, 77 | 3eqtrd 2266 |
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 4199 ax-sep 4202 ax-nul 4210 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-iinf 4680 ax-cnex 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-mulrcl 8109 ax-addcom 8110 ax-mulcom 8111 ax-addass 8112 ax-mulass 8113 ax-distr 8114 ax-i2m1 8115 ax-0lt1 8116 ax-1rid 8117 ax-0id 8118 ax-rnegex 8119 ax-precex 8120 ax-cnre 8121 ax-pre-ltirr 8122 ax-pre-ltwlin 8123 ax-pre-lttrn 8124 ax-pre-apti 8125 ax-pre-ltadd 8126 ax-pre-mulgt0 8127 ax-pre-mulext 8128 ax-arch 8129 ax-caucvg 8130 |
| 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-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-if 3603 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-tr 4183 df-id 4384 df-po 4387 df-iso 4388 df-iord 4457 df-on 4459 df-ilim 4460 df-suc 4462 df-iom 4683 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-isom 5327 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-1st 6292 df-2nd 6293 df-recs 6457 df-irdg 6522 df-frec 6543 df-1o 6568 df-oadd 6572 df-er 6688 df-en 6896 df-dom 6897 df-fin 6898 df-pnf 8194 df-mnf 8195 df-xr 8196 df-ltxr 8197 df-le 8198 df-sub 8330 df-neg 8331 df-reap 8733 df-ap 8740 df-div 8831 df-inn 9122 df-2 9180 df-3 9181 df-4 9182 df-n0 9381 df-z 9458 df-uz 9734 df-q 9827 df-rp 9862 df-fz 10217 df-fzo 10351 df-seqfrec 10682 df-exp 10773 df-ihash 11010 df-cj 11369 df-re 11370 df-im 11371 df-rsqrt 11525 df-abs 11526 df-clim 11806 df-sumdc 11881 |
| This theorem is referenced by: fsumsplitsn 11937 sumsn 11938 |
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