Metamath Proof Explorer


Theorem refldcj

Description: The conjugation operation of the field of real numbers. (Contributed by Thierry Arnoux, 30-Jun-2019)

Ref Expression
Assertion refldcj
|- * = ( *r ` RRfld )

Proof

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 )