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| Description: Value of the conjugate of
a complex number. The value is the real part
minus |
| Ref | Expression |
|---|---|
| cjval |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq2 4492 |
. . 3
| |
| 2 | fveq2 4492 |
. . . 4
| |
| 3 | 2 | opreq2d 4709 |
. . 3
|
| 4 | 1, 3 | opreq12d 4711 |
. 2
|
| 5 | df-cj 7798 |
. 2
| |
| 6 | oprex 4718 |
. 2
| |
| 7 | 4, 5, 6 | fvopab4 4554 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: cjcl 7809 cjcji 7823 cjrebi 7826 recji 7827 imcji 7828 cjaddi 7833 cjmuli 7834 cjnegi 7842 addcji 7843 recj 7863 imcj 7864 cji 7872 cj11OLD 7876 cjcncf 8335 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1142 ax-gen 1143 ax-8 1144 ax-9 1145 ax-10 1146 ax-11 1147 ax-12 1148 ax-13 1149 ax-14 1150 ax-17 1155 ax-4 1157 ax-5o 1159 ax-6o 1162 ax-9o 1319 ax-10o 1338 ax-16 1418 ax-11o 1426 ax-ext 1702 ax-sep 3253 ax-nul 3260 ax-pow 3296 ax-pr 3339 ax-un 3601 |
| This theorem depends on definitions: df-bi 163 df-or 240 df-an 241 df-ex 1165 df-sb 1374 df-eu 1613 df-mo 1614 df-clab 1709 df-cleq 1714 df-clel 1717 df-ne 1856 df-rex 1944 df-v 2127 df-dif 2430 df-un 2433 df-in 2436 df-ss 2438 df-nul 2702 df-pw 2859 df-sn 2873 df-pr 2874 df-op 2877 df-uni 3000 df-br 3159 df-opab 3214 df-id 3401 df-xp 3811 df-rel 3812 df-cnv 3813 df-co 3814 df-dm 3815 df-rn 3816 df-res 3817 df-ima 3818 df-fun 3819 df-fv 3825 df-opr 4697 df-cj 7798 |