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| Mirrors > Home > MPE Home > Th. List > cjcl | Structured version Visualization version GIF version | ||
| Description: The conjugate of a complex number is a complex number (closure law). (Contributed by NM, 10-May-1999.) (Revised by Mario Carneiro, 6-Nov-2013.) |
| Ref | Expression |
|---|---|
| cjcl | ⊢ (𝐴 ∈ ℂ → (∗‘𝐴) ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cjf 15006 | . 2 ⊢ ∗:ℂ⟶ℂ | |
| 2 | 1 | ffvelcdmi 7011 | 1 ⊢ (𝐴 ∈ ℂ → (∗‘𝐴) ∈ ℂ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2111 ‘cfv 6476 ℂcc 10999 ∗ccj 14998 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5229 ax-nul 5239 ax-pow 5298 ax-pr 5365 ax-un 7663 ax-resscn 11058 ax-1cn 11059 ax-icn 11060 ax-addcl 11061 ax-addrcl 11062 ax-mulcl 11063 ax-mulrcl 11064 ax-mulcom 11065 ax-addass 11066 ax-mulass 11067 ax-distr 11068 ax-i2m1 11069 ax-1ne0 11070 ax-1rid 11071 ax-rnegex 11072 ax-rrecex 11073 ax-cnre 11074 ax-pre-lttri 11075 ax-pre-lttrn 11076 ax-pre-ltadd 11077 ax-pre-mulgt0 11078 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4279 df-if 4471 df-pw 4547 df-sn 4572 df-pr 4574 df-op 4578 df-uni 4855 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5506 df-po 5519 df-so 5520 df-xp 5617 df-rel 5618 df-cnv 5619 df-co 5620 df-dm 5621 df-rn 5622 df-res 5623 df-ima 5624 df-iota 6432 df-fun 6478 df-fn 6479 df-f 6480 df-f1 6481 df-fo 6482 df-f1o 6483 df-fv 6484 df-riota 7298 df-ov 7344 df-oprab 7345 df-mpo 7346 df-er 8617 df-en 8865 df-dom 8866 df-sdom 8867 df-pnf 11143 df-mnf 11144 df-xr 11145 df-ltxr 11146 df-le 11147 df-sub 11341 df-neg 11342 df-div 11770 df-cj 15001 |
| This theorem is referenced by: crre 15016 cjcj 15042 ipcnval 15045 cjmulrcl 15046 addcj 15050 cjsub 15051 cjexp 15052 cjdiv 15066 cjcli 15071 cjcld 15098 absneg 15179 abscj 15181 sqabsadd 15184 sqabssub 15185 recval 15225 sqreulem 15262 cjcn2 15502 efcj 15994 cnsrng 21337 plycjlem 26204 coecj 26206 coecjOLD 26208 plyrecj 26209 aacjcl 26257 logcj 26537 argimlt0 26544 atancj 26842 cncph 30791 dipassr2 30819 his52 31059 his35 31060 brafnmul 31923 kbmul 31927 adjmul 32064 cnvbramul 32087 sigarac 46890 sigarid 46896 |
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