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| Mirrors > Home > ILE Home > Th. List > imcl | Unicode version | ||
| Description: The imaginary part of a complex number is real. (Contributed by NM, 9-May-1999.) (Revised by Mario Carneiro, 6-Nov-2013.) |
| Ref | Expression |
|---|---|
| imcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imre 11323 |
. 2
| |
| 2 | negicn 8310 |
. . . 4
| |
| 3 | mulcl 8089 |
. . . 4
| |
| 4 | 2, 3 | mpan 424 |
. . 3
|
| 5 | recl 11325 |
. . 3
| |
| 6 | 4, 5 | syl 14 |
. 2
|
| 7 | 1, 6 | eqeltrd 2284 |
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 2180 ax-14 2181 ax-ext 2189 ax-sep 4179 ax-pow 4235 ax-pr 4270 ax-un 4499 ax-setind 4604 ax-cnex 8053 ax-resscn 8054 ax-1cn 8055 ax-1re 8056 ax-icn 8057 ax-addcl 8058 ax-addrcl 8059 ax-mulcl 8060 ax-mulrcl 8061 ax-addcom 8062 ax-mulcom 8063 ax-addass 8064 ax-mulass 8065 ax-distr 8066 ax-i2m1 8067 ax-0lt1 8068 ax-1rid 8069 ax-0id 8070 ax-rnegex 8071 ax-precex 8072 ax-cnre 8073 ax-pre-ltirr 8074 ax-pre-ltwlin 8075 ax-pre-lttrn 8076 ax-pre-apti 8077 ax-pre-ltadd 8078 ax-pre-mulgt0 8079 ax-pre-mulext 8080 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-nel 2474 df-ral 2491 df-rex 2492 df-reu 2493 df-rmo 2494 df-rab 2495 df-v 2779 df-sbc 3007 df-dif 3177 df-un 3179 df-in 3181 df-ss 3188 df-pw 3629 df-sn 3650 df-pr 3651 df-op 3653 df-uni 3866 df-br 4061 df-opab 4123 df-mpt 4124 df-id 4359 df-po 4362 df-iso 4363 df-xp 4700 df-rel 4701 df-cnv 4702 df-co 4703 df-dm 4704 df-rn 4705 df-res 4706 df-ima 4707 df-iota 5252 df-fun 5293 df-fn 5294 df-f 5295 df-fv 5299 df-riota 5924 df-ov 5972 df-oprab 5973 df-mpo 5974 df-pnf 8146 df-mnf 8147 df-xr 8148 df-ltxr 8149 df-le 8150 df-sub 8282 df-neg 8283 df-reap 8685 df-ap 8692 df-div 8783 df-2 9132 df-cj 11314 df-re 11315 df-im 11316 |
| This theorem is referenced by: imf 11328 remim 11332 mulreap 11336 cjreb 11338 recj 11339 reneg 11340 readd 11341 remullem 11343 remul2 11345 imcj 11347 imneg 11348 imadd 11349 imsub 11350 immul2 11352 imdivap 11353 cjcj 11355 cjadd 11356 ipcnval 11358 cjmulval 11360 cjmulge0 11361 cjneg 11362 imval2 11366 cnrecnv 11382 imcli 11384 imcld 11411 cnreim 11450 abs00ap 11534 absrele 11555 efeul 12206 absef 12242 absefib 12243 efieq1re 12244 |
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