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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 12156 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 2392 |
. . . . 5
| |
| 2 | nfcsb1v 3180 |
. . . . 5
| |
| 3 | csbeq1a 3156 |
. . . . 5
| |
| 4 | 1, 2, 3 | cbvsumi 12106 |
. . . 4
|
| 5 | csbeq1 3150 |
. . . . 5
| |
| 6 | 1nn 9294 |
. . . . . 6
| |
| 7 | 6 | a1i 9 |
. . . . 5
|
| 8 | simpl 109 |
. . . . . . 7
| |
| 9 | f1osng 5677 |
. . . . . . 7
| |
| 10 | 6, 8, 9 | sylancr 418 |
. . . . . 6
|
| 11 | 1z 9649 |
. . . . . . 7
| |
| 12 | fzsn 10450 |
. . . . . . 7
| |
| 13 | f1oeq2 5623 |
. . . . . . 7
| |
| 14 | 11, 12, 13 | mp2b 8 |
. . . . . 6
|
| 15 | 10, 14 | sylibr 134 |
. . . . 5
|
| 16 | elsni 3723 |
. . . . . . . 8
| |
| 17 | 16 | adantl 277 |
. . . . . . 7
|
| 18 | 17 | csbeq1d 3154 |
. . . . . 6
|
| 19 | sumsnf.1 |
. . . . . . . . . 10
| |
| 20 | 19 | a1i 9 |
. . . . . . . . 9
|
| 21 | sumsnf.2 |
. . . . . . . . 9
| |
| 22 | 20, 21 | csbiegf 3191 |
. . . . . . . 8
|
| 23 | 22 | ad2antrr 492 |
. . . . . . 7
|
| 24 | simplr 533 |
. . . . . . 7
| |
| 25 | 23, 24 | eqeltrd 2315 |
. . . . . 6
|
| 26 | 18, 25 | eqeltrd 2315 |
. . . . 5
|
| 27 | 22 | ad2antrr 492 |
. . . . . 6
|
| 28 | elfz1eq 10418 |
. . . . . . . . 9
| |
| 29 | 28 | fveq2d 5694 |
. . . . . . . 8
|
| 30 | fvsng 5902 |
. . . . . . . . 9
| |
| 31 | 6, 8, 30 | sylancr 418 |
. . . . . . . 8
|
| 32 | 29, 31 | sylan9eqr 2293 |
. . . . . . 7
|
| 33 | 32 | csbeq1d 3154 |
. . . . . 6
|
| 34 | 28 | fveq2d 5694 |
. . . . . . 7
|
| 35 | simpr 110 |
. . . . . . . 8
| |
| 36 | fvsng 5902 |
. . . . . . . 8
| |
| 37 | 6, 35, 36 | sylancr 418 |
. . . . . . 7
|
| 38 | 34, 37 | sylan9eqr 2293 |
. . . . . 6
|
| 39 | 27, 33, 38 | 3eqtr4rd 2282 |
. . . . 5
|
| 40 | 5, 7, 15, 26, 39 | fsum3 12132 |
. . . 4
|
| 41 | 4, 40 | eqtrid 2283 |
. . 3
|
| 42 | 1zzd 9650 |
. . . 4
| |
| 43 | eqid 2238 |
. . . . . 6
| |
| 44 | breq1 4128 |
. . . . . . 7
| |
| 45 | fveq2 5690 |
. . . . . . 7
| |
| 46 | 44, 45 | ifbieq1d 3660 |
. . . . . 6
|
| 47 | elnnuz 9938 |
. . . . . . . 8
| |
| 48 | 47 | biimpri 133 |
. . . . . . 7
|
| 49 | 48 | adantl 277 |
. . . . . 6
|
| 50 | simpr 110 |
. . . . . . . . . . 11
| |
| 51 | eluzle 9913 |
. . . . . . . . . . . 12
| |
| 52 | 51 | ad2antlr 493 |
. . . . . . . . . . 11
|
| 53 | eluzelre 9911 |
. . . . . . . . . . . . 13
| |
| 54 | 53 | ad2antlr 493 |
. . . . . . . . . . . 12
|
| 55 | 1red 8331 |
. . . . . . . . . . . 12
| |
| 56 | 54, 55 | letri3d 8431 |
. . . . . . . . . . 11
|
| 57 | 50, 52, 56 | mpbir2and 957 |
. . . . . . . . . 10
|
| 58 | 57 | fveq2d 5694 |
. . . . . . . . 9
|
| 59 | 37 | ad2antrr 492 |
. . . . . . . . 9
|
| 60 | 58, 59 | eqtrd 2271 |
. . . . . . . 8
|
| 61 | 35 | ad2antrr 492 |
. . . . . . . 8
|
| 62 | 60, 61 | eqeltrd 2315 |
. . . . . . 7
|
| 63 | 0cnd 8309 |
. . . . . . 7
| |
| 64 | 49 | nnzd 9746 |
. . . . . . . 8
|
| 65 | 1zzd 9650 |
. . . . . . . 8
| |
| 66 | zdcle 9700 |
. . . . . . . 8
| |
| 67 | 64, 65, 66 | syl2anc 415 |
. . . . . . 7
|
| 68 | 62, 63, 67 | ifcldadc 3667 |
. . . . . 6
|
| 69 | 43, 46, 49, 68 | fvmptd3 5793 |
. . . . 5
|
| 70 | 69, 68 | eqeltrd 2315 |
. . . 4
|
| 71 | addcl 8294 |
. . . . 5
| |
| 72 | 71 | adantl 277 |
. . . 4
|
| 73 | 42, 70, 72 | seq3-1 10877 |
. . 3
|
| 74 | 41, 73 | eqtrd 2271 |
. 2
|
| 75 | 1le1 8890 |
. . . . . 6
| |
| 76 | 75 | iftruei 3643 |
. . . . 5
|
| 77 | 76, 37 | eqtrid 2283 |
. . . 4
|
| 78 | 77, 35 | eqeltrd 2315 |
. . 3
|
| 79 | breq1 4128 |
. . . . 5
| |
| 80 | fveq2 5690 |
. . . . 5
| |
| 81 | 79, 80 | ifbieq1d 3660 |
. . . 4
|
| 82 | 81, 43 | fvmptg 5775 |
. . 3
|
| 83 | 6, 78, 82 | sylancr 418 |
. 2
|
| 84 | 74, 83, 77 | 3eqtrd 2275 |
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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4241 ax-sep 4244 ax-nul 4254 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-iinf 4730 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-mulrcl 8268 ax-addcom 8269 ax-mulcom 8270 ax-addass 8271 ax-mulass 8272 ax-distr 8273 ax-i2m1 8274 ax-0lt1 8275 ax-1rid 8276 ax-0id 8277 ax-rnegex 8278 ax-precex 8279 ax-cnre 8280 ax-pre-ltirr 8281 ax-pre-ltwlin 8282 ax-pre-lttrn 8283 ax-pre-apti 8284 ax-pre-ltadd 8285 ax-pre-mulgt0 8286 ax-pre-mulext 8287 ax-arch 8288 ax-caucvg 8289 |
| This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3636 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-tr 4225 df-id 4433 df-po 4436 df-iso 4437 df-iord 4506 df-on 4508 df-ilim 4509 df-suc 4511 df-iom 4733 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-isom 5381 df-riota 6028 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-recs 6566 df-irdg 6631 df-frec 6652 df-1o 6677 df-oadd 6681 df-er 6797 df-en 7013 df-dom 7014 df-fin 7015 df-pnf 8352 df-mnf 8353 df-xr 8354 df-ltxr 8355 df-le 8356 df-sub 8489 df-neg 8490 df-reap 8893 df-ap 8900 df-div 8993 df-inn 9284 df-2 9342 df-3 9343 df-4 9344 df-n0 9543 df-z 9624 df-uz 9901 df-q 9999 df-rp 10034 df-fz 10391 df-fzo 10528 df-seqfrec 10863 df-exp 10954 df-ihash 11193 df-cj 11585 df-re 11586 df-im 11587 df-rsqrt 11742 df-abs 11743 df-clim 12023 df-sumdc 12098 |
| This theorem is referenced by: fsumsplitsn 12155 sumsn 12156 |
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