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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 12203 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 12153 |
. . . 4
|
| 5 | csbeq1 3150 |
. . . . 5
| |
| 6 | 1nn 9324 |
. . . . . 6
| |
| 7 | 6 | a1i 9 |
. . . . 5
|
| 8 | simpl 109 |
. . . . . . 7
| |
| 9 | f1osng 5685 |
. . . . . . 7
| |
| 10 | 6, 8, 9 | sylancr 418 |
. . . . . 6
|
| 11 | 1z 9681 |
. . . . . . 7
| |
| 12 | fzsn 10489 |
. . . . . . 7
| |
| 13 | f1oeq2 5631 |
. . . . . . 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 10456 |
. . . . . . . . 9
| |
| 29 | 28 | fveq2d 5702 |
. . . . . . . 8
|
| 30 | fvsng 5914 |
. . . . . . . . 9
| |
| 31 | 6, 8, 30 | sylancr 418 |
. . . . . . . 8
|
| 32 | 29, 31 | sylan9eqr 2293 |
. . . . . . 7
|
| 33 | 32 | csbeq1d 3154 |
. . . . . 6
|
| 34 | 28 | fveq2d 5702 |
. . . . . . 7
|
| 35 | simpr 110 |
. . . . . . . 8
| |
| 36 | fvsng 5914 |
. . . . . . . 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 12179 |
. . . 4
|
| 41 | 4, 40 | eqtrid 2283 |
. . 3
|
| 42 | 1zzd 9682 |
. . . 4
| |
| 43 | eqid 2238 |
. . . . . 6
| |
| 44 | breq1 4134 |
. . . . . . 7
| |
| 45 | fveq2 5698 |
. . . . . . 7
| |
| 46 | 44, 45 | ifbieq1d 3663 |
. . . . . 6
|
| 47 | elnnuz 9975 |
. . . . . . . 8
| |
| 48 | 47 | biimpri 133 |
. . . . . . 7
|
| 49 | 48 | adantl 277 |
. . . . . 6
|
| 50 | simpr 110 |
. . . . . . . . . . 11
| |
| 51 | eluzle 9950 |
. . . . . . . . . . . 12
| |
| 52 | 51 | ad2antlr 493 |
. . . . . . . . . . 11
|
| 53 | eluzelre 9948 |
. . . . . . . . . . . . 13
| |
| 54 | 53 | ad2antlr 493 |
. . . . . . . . . . . 12
|
| 55 | 1red 8347 |
. . . . . . . . . . . 12
| |
| 56 | 54, 55 | letri3d 8448 |
. . . . . . . . . . 11
|
| 57 | 50, 52, 56 | mpbir2and 957 |
. . . . . . . . . 10
|
| 58 | 57 | fveq2d 5702 |
. . . . . . . . 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 8325 |
. . . . . . 7
| |
| 64 | 49 | nnzd 9778 |
. . . . . . . 8
|
| 65 | 1zzd 9682 |
. . . . . . . 8
| |
| 66 | zdcle 9732 |
. . . . . . . 8
| |
| 67 | 64, 65, 66 | syl2anc 415 |
. . . . . . 7
|
| 68 | 62, 63, 67 | ifcldadc 3670 |
. . . . . 6
|
| 69 | 43, 46, 49, 68 | fvmptd3 5802 |
. . . . 5
|
| 70 | 69, 68 | eqeltrd 2315 |
. . . 4
|
| 71 | addcl 8310 |
. . . . 5
| |
| 72 | 71 | adantl 277 |
. . . 4
|
| 73 | 42, 70, 72 | seq3-1 10920 |
. . 3
|
| 74 | 41, 73 | eqtrd 2271 |
. 2
|
| 75 | 1le1 8908 |
. . . . . 6
| |
| 76 | 75 | iftruei 3646 |
. . . . 5
|
| 77 | 76, 37 | eqtrid 2283 |
. . . 4
|
| 78 | 77, 35 | eqeltrd 2315 |
. . 3
|
| 79 | breq1 4134 |
. . . . 5
| |
| 80 | fveq2 5698 |
. . . . 5
| |
| 81 | 79, 80 | ifbieq1d 3663 |
. . . 4
|
| 82 | 81, 43 | fvmptg 5784 |
. . 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 4248 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-iinf 4737 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-mulrcl 8284 ax-addcom 8285 ax-mulcom 8286 ax-addass 8287 ax-mulass 8288 ax-distr 8289 ax-i2m1 8290 ax-0lt1 8291 ax-1rid 8292 ax-0id 8293 ax-rnegex 8294 ax-precex 8295 ax-cnre 8296 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 ax-pre-apti 8300 ax-pre-ltadd 8301 ax-pre-mulgt0 8302 ax-pre-mulext 8303 ax-arch 8304 ax-caucvg 8305 |
| 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 4132 df-opab 4194 df-mpt 4195 df-tr 4232 df-id 4440 df-po 4443 df-iso 4444 df-iord 4513 df-on 4515 df-ilim 4516 df-suc 4518 df-iom 4740 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-isom 5389 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-recs 6580 df-irdg 6645 df-frec 6666 df-1o 6691 df-oadd 6695 df-er 6811 df-en 7027 df-dom 7028 df-fin 7029 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-sub 8506 df-neg 8507 df-reap 8911 df-ap 8918 df-div 9011 df-inn 9314 df-2 9372 df-3 9373 df-4 9374 df-n0 9575 df-z 9656 df-uz 9938 df-q 10036 df-rp 10072 df-fz 10429 df-fzo 10567 df-seqfrec 10906 df-exp 10997 df-ihash 11237 df-cj 11629 df-re 11630 df-im 11631 df-rsqrt 11786 df-abs 11787 df-clim 12070 df-sumdc 12145 |
| This theorem is used by: fsumsplitsn 12202 sumsn 12203 |
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