Description: The conjugation operation of the field of real numbers. (Contributed by Thierry Arnoux, 30-Jun-2019)
Ref | Expression | ||
---|---|---|---|
Assertion | refldcj | |- * = ( *r ` RRfld ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reex | |- RR e. _V |
|
2 | df-refld | |- RRfld = ( CCfld |`s RR ) |
|
3 | cnfldcj | |- * = ( *r ` CCfld ) |
|
4 | 2 3 | ressstarv | |- ( RR e. _V -> * = ( *r ` RRfld ) ) |
5 | 1 4 | ax-mp | |- * = ( *r ` RRfld ) |