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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 12178 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 12128 |
. . . 4
|
| 5 | csbeq1 3150 |
. . . . 5
| |
| 6 | 1nn 9315 |
. . . . . 6
| |
| 7 | 6 | a1i 9 |
. . . . 5
|
| 8 | simpl 109 |
. . . . . . 7
| |
| 9 | f1osng 5682 |
. . . . . . 7
| |
| 10 | 6, 8, 9 | sylancr 418 |
. . . . . 6
|
| 11 | 1z 9670 |
. . . . . . 7
| |
| 12 | fzsn 10472 |
. . . . . . 7
| |
| 13 | f1oeq2 5628 |
. . . . . . 7
| |
| 14 | 11, 12, 13 | mp2b 8 |
. . . . . 6
|
| 15 | 10, 14 | sylibr 134 |
. . . . 5
|
| 16 | elsni 3727 |
. . . . . . . 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 10439 |
. . . . . . . . 9
| |
| 29 | 28 | fveq2d 5699 |
. . . . . . . 8
|
| 30 | fvsng 5911 |
. . . . . . . . 9
| |
| 31 | 6, 8, 30 | sylancr 418 |
. . . . . . . 8
|
| 32 | 29, 31 | sylan9eqr 2293 |
. . . . . . 7
|
| 33 | 32 | csbeq1d 3154 |
. . . . . 6
|
| 34 | 28 | fveq2d 5699 |
. . . . . . 7
|
| 35 | simpr 110 |
. . . . . . . 8
| |
| 36 | fvsng 5911 |
. . . . . . . 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 12154 |
. . . 4
|
| 41 | 4, 40 | eqtrid 2283 |
. . 3
|
| 42 | 1zzd 9671 |
. . . 4
| |
| 43 | eqid 2238 |
. . . . . 6
| |
| 44 | breq1 4133 |
. . . . . . 7
| |
| 45 | fveq2 5695 |
. . . . . . 7
| |
| 46 | 44, 45 | ifbieq1d 3663 |
. . . . . 6
|
| 47 | elnnuz 9959 |
. . . . . . . 8
| |
| 48 | 47 | biimpri 133 |
. . . . . . 7
|
| 49 | 48 | adantl 277 |
. . . . . 6
|
| 50 | simpr 110 |
. . . . . . . . . . 11
| |
| 51 | eluzle 9934 |
. . . . . . . . . . . 12
| |
| 52 | 51 | ad2antlr 493 |
. . . . . . . . . . 11
|
| 53 | eluzelre 9932 |
. . . . . . . . . . . . 13
| |
| 54 | 53 | ad2antlr 493 |
. . . . . . . . . . . 12
|
| 55 | 1red 8341 |
. . . . . . . . . . . 12
| |
| 56 | 54, 55 | letri3d 8441 |
. . . . . . . . . . 11
|
| 57 | 50, 52, 56 | mpbir2and 957 |
. . . . . . . . . 10
|
| 58 | 57 | fveq2d 5699 |
. . . . . . . . 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 8319 |
. . . . . . 7
| |
| 64 | 49 | nnzd 9767 |
. . . . . . . 8
|
| 65 | 1zzd 9671 |
. . . . . . . 8
| |
| 66 | zdcle 9721 |
. . . . . . . 8
| |
| 67 | 64, 65, 66 | syl2anc 415 |
. . . . . . 7
|
| 68 | 62, 63, 67 | ifcldadc 3670 |
. . . . . 6
|
| 69 | 43, 46, 49, 68 | fvmptd3 5799 |
. . . . 5
|
| 70 | 69, 68 | eqeltrd 2315 |
. . . 4
|
| 71 | addcl 8304 |
. . . . 5
| |
| 72 | 71 | adantl 277 |
. . . 4
|
| 73 | 42, 70, 72 | seq3-1 10899 |
. . 3
|
| 74 | 41, 73 | eqtrd 2271 |
. 2
|
| 75 | 1le1 8900 |
. . . . . 6
| |
| 76 | 75 | iftruei 3646 |
. . . . 5
|
| 77 | 76, 37 | eqtrid 2283 |
. . . 4
|
| 78 | 77, 35 | eqeltrd 2315 |
. . 3
|
| 79 | breq1 4133 |
. . . . 5
| |
| 80 | fveq2 5695 |
. . . . 5
| |
| 81 | 79, 80 | ifbieq1d 3663 |
. . . 4
|
| 82 | 81, 43 | fvmptg 5781 |
. . 3
|
| 83 | 6, 78, 82 | sylancr 418 |
. 2
|
| 84 | 74, 83, 77 | 3eqtrd 2275 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on 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 4246 ax-sep 4249 ax-nul 4259 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-iinf 4735 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-mulrcl 8278 ax-addcom 8279 ax-mulcom 8280 ax-addass 8281 ax-mulass 8282 ax-distr 8283 ax-i2m1 8284 ax-0lt1 8285 ax-1rid 8286 ax-0id 8287 ax-rnegex 8288 ax-precex 8289 ax-cnre 8290 ax-pre-ltirr 8291 ax-pre-ltwlin 8292 ax-pre-lttrn 8293 ax-pre-apti 8294 ax-pre-ltadd 8295 ax-pre-mulgt0 8296 ax-pre-mulext 8297 ax-arch 8298 ax-caucvg 8299 |
| This proof 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 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-tr 4230 df-id 4438 df-po 4441 df-iso 4442 df-iord 4511 df-on 4513 df-ilim 4514 df-suc 4516 df-iom 4738 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-isom 5386 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 df-recs 6576 df-irdg 6641 df-frec 6662 df-1o 6687 df-oadd 6691 df-er 6807 df-en 7023 df-dom 7024 df-fin 7025 df-pnf 8362 df-mnf 8363 df-xr 8364 df-ltxr 8365 df-le 8366 df-sub 8499 df-neg 8500 df-reap 8903 df-ap 8910 df-div 9003 df-inn 9305 df-2 9363 df-3 9364 df-4 9365 df-n0 9564 df-z 9645 df-uz 9922 df-q 10020 df-rp 10055 df-fz 10412 df-fzo 10550 df-seqfrec 10885 df-exp 10976 df-ihash 11215 df-cj 11607 df-re 11608 df-im 11609 df-rsqrt 11764 df-abs 11765 df-clim 12045 df-sumdc 12120 |
| This theorem is used by: fsumsplitsn 12177 sumsn 12178 |
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