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| Mirrors > Home > ILE Home > Th. List > absefib | Unicode version | ||
| Description: A complex number is real
iff the exponential of its product with |
| Ref | Expression |
|---|---|
| absefib |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ef0 12068 |
. . . . 5
| |
| 2 | 1 | eqeq2i 2217 |
. . . 4
|
| 3 | imcl 11250 |
. . . . . 6
| |
| 4 | 3 | renegcld 8482 |
. . . . 5
|
| 5 | 0re 8102 |
. . . . 5
| |
| 6 | reef11 12095 |
. . . . 5
| |
| 7 | 4, 5, 6 | sylancl 413 |
. . . 4
|
| 8 | 2, 7 | bitr3id 194 |
. . 3
|
| 9 | 3 | recnd 8131 |
. . . 4
|
| 10 | 9 | negeq0d 8405 |
. . 3
|
| 11 | 8, 10 | bitr4d 191 |
. 2
|
| 12 | ax-icn 8050 |
. . . . . 6
| |
| 13 | mulcl 8082 |
. . . . . 6
| |
| 14 | 12, 13 | mpan 424 |
. . . . 5
|
| 15 | absef 12166 |
. . . . 5
| |
| 16 | 14, 15 | syl 14 |
. . . 4
|
| 17 | replim 11255 |
. . . . . . . . . 10
| |
| 18 | recl 11249 |
. . . . . . . . . . . 12
| |
| 19 | 18 | recnd 8131 |
. . . . . . . . . . 11
|
| 20 | mulcl 8082 |
. . . . . . . . . . . 12
| |
| 21 | 12, 9, 20 | sylancr 414 |
. . . . . . . . . . 11
|
| 22 | 19, 21 | addcomd 8253 |
. . . . . . . . . 10
|
| 23 | 17, 22 | eqtrd 2239 |
. . . . . . . . 9
|
| 24 | 23 | oveq2d 5978 |
. . . . . . . 8
|
| 25 | adddi 8087 |
. . . . . . . . . . 11
| |
| 26 | 12, 25 | mp3an1 1337 |
. . . . . . . . . 10
|
| 27 | 21, 19, 26 | syl2anc 411 |
. . . . . . . . 9
|
| 28 | ixi 8686 |
. . . . . . . . . . . 12
| |
| 29 | 28 | oveq1i 5972 |
. . . . . . . . . . 11
|
| 30 | mulass 8086 |
. . . . . . . . . . . . 13
| |
| 31 | 12, 12, 30 | mp3an12 1340 |
. . . . . . . . . . . 12
|
| 32 | 9, 31 | syl 14 |
. . . . . . . . . . 11
|
| 33 | 9 | mulm1d 8512 |
. . . . . . . . . . 11
|
| 34 | 29, 32, 33 | 3eqtr3a 2263 |
. . . . . . . . . 10
|
| 35 | 34 | oveq1d 5977 |
. . . . . . . . 9
|
| 36 | 27, 35 | eqtrd 2239 |
. . . . . . . 8
|
| 37 | 24, 36 | eqtrd 2239 |
. . . . . . 7
|
| 38 | 37 | fveq2d 5598 |
. . . . . 6
|
| 39 | 4, 18 | crred 11372 |
. . . . . 6
|
| 40 | 38, 39 | eqtrd 2239 |
. . . . 5
|
| 41 | 40 | fveq2d 5598 |
. . . 4
|
| 42 | 16, 41 | eqtrd 2239 |
. . 3
|
| 43 | 42 | eqeq1d 2215 |
. 2
|
| 44 | reim0b 11258 |
. 2
| |
| 45 | 11, 43, 44 | 3bitr4rd 221 |
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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-coll 4170 ax-sep 4173 ax-nul 4181 ax-pow 4229 ax-pr 4264 ax-un 4493 ax-setind 4598 ax-iinf 4649 ax-cnex 8046 ax-resscn 8047 ax-1cn 8048 ax-1re 8049 ax-icn 8050 ax-addcl 8051 ax-addrcl 8052 ax-mulcl 8053 ax-mulrcl 8054 ax-addcom 8055 ax-mulcom 8056 ax-addass 8057 ax-mulass 8058 ax-distr 8059 ax-i2m1 8060 ax-0lt1 8061 ax-1rid 8062 ax-0id 8063 ax-rnegex 8064 ax-precex 8065 ax-cnre 8066 ax-pre-ltirr 8067 ax-pre-ltwlin 8068 ax-pre-lttrn 8069 ax-pre-apti 8070 ax-pre-ltadd 8071 ax-pre-mulgt0 8072 ax-pre-mulext 8073 ax-arch 8074 ax-caucvg 8075 |
| This theorem depends on definitions: df-bi 117 df-dc 837 df-3or 982 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ne 2378 df-nel 2473 df-ral 2490 df-rex 2491 df-reu 2492 df-rmo 2493 df-rab 2494 df-v 2775 df-sbc 3003 df-csb 3098 df-dif 3172 df-un 3174 df-in 3176 df-ss 3183 df-nul 3465 df-if 3576 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3860 df-int 3895 df-iun 3938 df-disj 4031 df-br 4055 df-opab 4117 df-mpt 4118 df-tr 4154 df-id 4353 df-po 4356 df-iso 4357 df-iord 4426 df-on 4428 df-ilim 4429 df-suc 4431 df-iom 4652 df-xp 4694 df-rel 4695 df-cnv 4696 df-co 4697 df-dm 4698 df-rn 4699 df-res 4700 df-ima 4701 df-iota 5246 df-fun 5287 df-fn 5288 df-f 5289 df-f1 5290 df-fo 5291 df-f1o 5292 df-fv 5293 df-isom 5294 df-riota 5917 df-ov 5965 df-oprab 5966 df-mpo 5967 df-1st 6244 df-2nd 6245 df-recs 6409 df-irdg 6474 df-frec 6495 df-1o 6520 df-oadd 6524 df-er 6638 df-en 6846 df-dom 6847 df-fin 6848 df-sup 7107 df-pnf 8139 df-mnf 8140 df-xr 8141 df-ltxr 8142 df-le 8143 df-sub 8275 df-neg 8276 df-reap 8678 df-ap 8685 df-div 8776 df-inn 9067 df-2 9125 df-3 9126 df-4 9127 df-n0 9326 df-z 9403 df-uz 9679 df-q 9771 df-rp 9806 df-ico 10046 df-fz 10161 df-fzo 10295 df-seqfrec 10625 df-exp 10716 df-fac 10903 df-bc 10925 df-ihash 10953 df-cj 11238 df-re 11239 df-im 11240 df-rsqrt 11394 df-abs 11395 df-clim 11675 df-sumdc 11750 df-ef 12044 df-sin 12046 df-cos 12047 |
| This theorem is referenced by: (None) |
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