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| Mirrors > Home > ILE Home > Th. List > fsum3cvg3 | Unicode version | ||
| Description: A finite sum is convergent. (Contributed by Mario Carneiro, 24-Apr-2014.) (Revised by Jim Kingdon, 2-Dec-2022.) | 
| Ref | Expression | 
|---|---|
| fsumcvg3.1 | 
 | 
| fsumcvg3.2 | 
 | 
| fsumcvg3.3 | 
 | 
| fsumcvg3.4 | 
 | 
| fisumcvg3.dc | 
 | 
| fsumcvg3.5 | 
 | 
| fsumcvg3.6 | 
 | 
| Ref | Expression | 
|---|---|
| fsum3cvg3 | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | fsumcvg3.4 | 
. . . . 5
 | |
| 2 | fsumcvg3.1 | 
. . . . . 6
 | |
| 3 | uzssz 9621 | 
. . . . . . 7
 | |
| 4 | zssre 9333 | 
. . . . . . 7
 | |
| 5 | 3, 4 | sstri 3192 | 
. . . . . 6
 | 
| 6 | 2, 5 | eqsstri 3215 | 
. . . . 5
 | 
| 7 | 1, 6 | sstrdi 3195 | 
. . . 4
 | 
| 8 | fsumcvg3.3 | 
. . . 4
 | |
| 9 | fimaxre2 11392 | 
. . . 4
 | |
| 10 | 7, 8, 9 | syl2anc 411 | 
. . 3
 | 
| 11 | arch 9246 | 
. . . . 5
 | |
| 12 | 11 | ad2antrl 490 | 
. . . 4
 | 
| 13 | fsumcvg3.2 | 
. . . . . . 7
 | |
| 14 | 13 | ad2antrr 488 | 
. . . . . 6
 | 
| 15 | simprl 529 | 
. . . . . . . 8
 | |
| 16 | 15 | nnzd 9447 | 
. . . . . . 7
 | 
| 17 | zmaxcl 11389 | 
. . . . . . 7
 | |
| 18 | 16, 14, 17 | syl2anc 411 | 
. . . . . 6
 | 
| 19 | 15 | nnred 9003 | 
. . . . . . 7
 | 
| 20 | 14 | zred 9448 | 
. . . . . . 7
 | 
| 21 | maxle2 11377 | 
. . . . . . 7
 | |
| 22 | 19, 20, 21 | syl2anc 411 | 
. . . . . 6
 | 
| 23 | eluz2 9607 | 
. . . . . 6
 | |
| 24 | 14, 18, 22, 23 | syl3anbrc 1183 | 
. . . . 5
 | 
| 25 | 14 | adantr 276 | 
. . . . . . . . 9
 | 
| 26 | 18 | adantr 276 | 
. . . . . . . . 9
 | 
| 27 | 1, 2 | sseqtrdi 3231 | 
. . . . . . . . . . . 12
 | 
| 28 | 27 | ad3antrrr 492 | 
. . . . . . . . . . 11
 | 
| 29 | 28, 3 | sstrdi 3195 | 
. . . . . . . . . 10
 | 
| 30 | simpr 110 | 
. . . . . . . . . 10
 | |
| 31 | 29, 30 | sseldd 3184 | 
. . . . . . . . 9
 | 
| 32 | 25, 26, 31 | 3jca 1179 | 
. . . . . . . 8
 | 
| 33 | 27 | ad2antrr 488 | 
. . . . . . . . . . 11
 | 
| 34 | 33 | sselda 3183 | 
. . . . . . . . . 10
 | 
| 35 | eluzle 9613 | 
. . . . . . . . . 10
 | |
| 36 | 34, 35 | syl 14 | 
. . . . . . . . 9
 | 
| 37 | 31 | zred 9448 | 
. . . . . . . . . 10
 | 
| 38 | 19 | adantr 276 | 
. . . . . . . . . 10
 | 
| 39 | 26 | zred 9448 | 
. . . . . . . . . 10
 | 
| 40 | simprl 529 | 
. . . . . . . . . . . 12
 | |
| 41 | 40 | ad2antrr 488 | 
. . . . . . . . . . 11
 | 
| 42 | breq1 4036 | 
. . . . . . . . . . . 12
 | |
| 43 | simprr 531 | 
. . . . . . . . . . . . 13
 | |
| 44 | 43 | ad2antrr 488 | 
. . . . . . . . . . . 12
 | 
| 45 | 42, 44, 30 | rspcdva 2873 | 
. . . . . . . . . . 11
 | 
| 46 | simplrr 536 | 
. . . . . . . . . . . 12
 | |
| 47 | 41, 38, 46 | ltled 8145 | 
. . . . . . . . . . 11
 | 
| 48 | 37, 41, 38, 45, 47 | letrd 8150 | 
. . . . . . . . . 10
 | 
| 49 | 20 | adantr 276 | 
. . . . . . . . . . 11
 | 
| 50 | maxle1 11376 | 
. . . . . . . . . . 11
 | |
| 51 | 38, 49, 50 | syl2anc 411 | 
. . . . . . . . . 10
 | 
| 52 | 37, 38, 39, 48, 51 | letrd 8150 | 
. . . . . . . . 9
 | 
| 53 | 36, 52 | jca 306 | 
. . . . . . . 8
 | 
| 54 | elfz2 10090 | 
. . . . . . . 8
 | |
| 55 | 32, 53, 54 | sylanbrc 417 | 
. . . . . . 7
 | 
| 56 | 55 | ex 115 | 
. . . . . 6
 | 
| 57 | 56 | ssrdv 3189 | 
. . . . 5
 | 
| 58 | oveq2 5930 | 
. . . . . . 7
 | |
| 59 | 58 | sseq2d 3213 | 
. . . . . 6
 | 
| 60 | 59 | rspcev 2868 | 
. . . . 5
 | 
| 61 | 24, 57, 60 | syl2anc 411 | 
. . . 4
 | 
| 62 | 12, 61 | rexlimddv 2619 | 
. . 3
 | 
| 63 | 10, 62 | rexlimddv 2619 | 
. 2
 | 
| 64 | 2 | eleq2i 2263 | 
. . . . . 6
 | 
| 65 | fsumcvg3.5 | 
. . . . . 6
 | |
| 66 | 64, 65 | sylan2br 288 | 
. . . . 5
 | 
| 67 | 66 | adantlr 477 | 
. . . 4
 | 
| 68 | simprl 529 | 
. . . 4
 | |
| 69 | fsumcvg3.6 | 
. . . . 5
 | |
| 70 | 69 | adantlr 477 | 
. . . 4
 | 
| 71 | fisumcvg3.dc | 
. . . . 5
 | |
| 72 | 71 | adantlr 477 | 
. . . 4
 | 
| 73 | simprr 531 | 
. . . 4
 | |
| 74 | 67, 68, 70, 72, 73 | fsum3cvg2 11559 | 
. . 3
 | 
| 75 | climrel 11445 | 
. . . 4
 | |
| 76 | 75 | releldmi 4905 | 
. . 3
 | 
| 77 | 74, 76 | syl 14 | 
. 2
 | 
| 78 | 63, 77 | rexlimddv 2619 | 
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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-coll 4148 ax-sep 4151 ax-nul 4159 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 ax-iinf 4624 ax-cnex 7970 ax-resscn 7971 ax-1cn 7972 ax-1re 7973 ax-icn 7974 ax-addcl 7975 ax-addrcl 7976 ax-mulcl 7977 ax-mulrcl 7978 ax-addcom 7979 ax-mulcom 7980 ax-addass 7981 ax-mulass 7982 ax-distr 7983 ax-i2m1 7984 ax-0lt1 7985 ax-1rid 7986 ax-0id 7987 ax-rnegex 7988 ax-precex 7989 ax-cnre 7990 ax-pre-ltirr 7991 ax-pre-ltwlin 7992 ax-pre-lttrn 7993 ax-pre-apti 7994 ax-pre-ltadd 7995 ax-pre-mulgt0 7996 ax-pre-mulext 7997 ax-arch 7998 ax-caucvg 7999 | 
| 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 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-nel 2463 df-ral 2480 df-rex 2481 df-reu 2482 df-rmo 2483 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3451 df-if 3562 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-int 3875 df-iun 3918 df-br 4034 df-opab 4095 df-mpt 4096 df-tr 4132 df-id 4328 df-po 4331 df-iso 4332 df-iord 4401 df-on 4403 df-ilim 4404 df-suc 4406 df-iom 4627 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 df-iota 5219 df-fun 5260 df-fn 5261 df-f 5262 df-f1 5263 df-fo 5264 df-f1o 5265 df-fv 5266 df-riota 5877 df-ov 5925 df-oprab 5926 df-mpo 5927 df-1st 6198 df-2nd 6199 df-recs 6363 df-frec 6449 df-er 6592 df-en 6800 df-fin 6802 df-sup 7050 df-pnf 8063 df-mnf 8064 df-xr 8065 df-ltxr 8066 df-le 8067 df-sub 8199 df-neg 8200 df-reap 8602 df-ap 8609 df-div 8700 df-inn 8991 df-2 9049 df-3 9050 df-4 9051 df-n0 9250 df-z 9327 df-uz 9602 df-rp 9729 df-fz 10084 df-seqfrec 10540 df-exp 10631 df-cj 11007 df-re 11008 df-im 11009 df-rsqrt 11163 df-abs 11164 df-clim 11444 | 
| This theorem is referenced by: isumlessdc 11661 | 
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