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| Description: Closure law for the exponential function. |
| Ref | Expression |
|---|---|
| efcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | efval 8570 |
. 2
| |
| 2 | fvex 4689 |
. . . . . 6
| |
| 3 | 2 | opabex2 4539 |
. . . . 5
|
| 4 | 3 | isumcl 8470 |
. . . 4
|
| 5 | 0z 7355 |
. . . 4
| |
| 6 | nn0uz 7607 |
. . . . . . . . . 10
| |
| 7 | 6 | eqcomi 1888 |
. . . . . . . . 9
|
| 8 | 7 | eleq2i 1961 |
. . . . . . . 8
|
| 9 | 8 | anbi1i 539 |
. . . . . . 7
|
| 10 | 9 | opabbii 3402 |
. . . . . 6
|
| 11 | 10 | efseq0ex 8573 |
. . . . 5
|
| 12 | addex 6470 |
. . . . . . . 8
| |
| 13 | 12, 3 | seq0seqz 7785 |
. . . . . . 7
|
| 14 | 13 | breq1i 3345 |
. . . . . 6
|
| 15 | 14 | exbii 1398 |
. . . . 5
|
| 16 | 11, 15 | sylib 215 |
. . . 4
|
| 17 | 4, 5, 16 | sylancr 526 |
. . 3
|
| 18 | 6 | sumeq1i 8247 |
. . . 4
|
| 19 | opreq2 4890 |
. . . . . . 7
| |
| 20 | fveq2 4681 |
. . . . . . 7
| |
| 21 | 19, 20 | opreq12d 4900 |
. . . . . 6
|
| 22 | eqid 1884 |
. . . . . 6
| |
| 23 | oprex 4907 |
. . . . . 6
| |
| 24 | 21, 22, 23 | fvopab4 4743 |
. . . . 5
|
| 25 | 24 | sumeq2i 8248 |
. . . 4
|
| 26 | 18, 25 | eqtr4i 1911 |
. . 3
|
| 27 | 17, 26 | syl5eqel 1975 |
. 2
|
| 28 | 1, 27 | eqeltrd 1971 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eff 8575 efaddlem27 8626 efne0 8631 eff2 8632 efsub 8633 efexp 8634 ef4pi 8664 efcnlem2 8685 efcn 8688 reeff1o 8691 sincl 8696 coscl 8697 resinval 8698 recosval 8699 resincl 8703 recoscl 8704 sinneg 8707 cosneg 8708 efival 8712 absef 8749 efieq1re 8751 sineq0re 10067 efghgrpilem 10073 efif 10075 efif1lem4 10087 efielcirc 10093 eff1i 10098 efper 10101 pilog 10122 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-5 1302 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 ax-inf2 5731 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-nel 2020 df-ral 2109 df-rex 2110 df-reu 2111 df-rab 2112 df-v 2294 df-sbc 2454 df-csb 2541 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-pss 2607 df-nul 2876 df-if 2983 df-pw 3035 df-sn 3049 df-pr 3050 df-tp 3052 df-op 3053 df-uni 3178 df-int 3215 df-iun 3257 df-br 3339 df-opab 3396 df-tr 3412 df-eprel 3583 df-id 3586 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-ord 3660 df-on 3661 df-lim 3662 df-suc 3663 df-om 3950 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-f1 4011 df-fo 4012 df-f1o 4013 df-fv 4014 df-opr 4886 df-oprab 4887 df-mpt 5006 df-1st 5020 df-2nd 5021 df-iota 5089 df-rdg 5140 df-1o 5177 df-oadd 5179 df-omul 5180 df-er 5318 df-ec 5320 df-qs 5323 df-en 5427 df-dom 5428 df-sdom 5429 df-undef 5556 df-riota 5560 df-sup 5664 df-ni 6152 df-pli 6153 df-mi 6154 df-lti 6155 df-plpq 6187 df-mpq 6188 df-enq 6189 df-nq 6190 df-plq 6191 df-mq 6192 df-rq 6193 df-ltq 6194 df-1q 6195 df-np 6238 df-1p 6239 df-plp 6240 df-mp 6241 df-ltp 6242 df-plpr 6316 df-mpr 6317 df-enr 6318 df-nr 6319 df-plr 6320 df-mr 6321 df-ltr 6322 df-0r 6323 df-1r 6324 df-m1r 6325 df-c 6392 df-0 6393 df-1 6394 df-i 6395 df-r 6396 df-plus 6397 df-mul 6398 df-lt 6399 df-sub 6511 df-neg 6513 df-pnf 6654 df-mnf 6655 df-xr 6656 df-ltxr 6657 df-le 6658 df-div 6892 df-n 7108 df-2 7154 df-n0 7309 df-z 7345 df-fl 7463 df-uz 7587 df-fz 7638 df-seq1 7721 df-shft 7754 df-seqz 7776 df-seq0 7777 df-exp 7812 df-sqr 7920 df-re 8001 df-im 8002 df-cj 8003 df-abs 8004 df-fac 8184 df-clim 8235 df-sum 8240 df-ef 8560 |