Metamath Proof Explorer


Theorem cjex

Description: The conjugate function is a set. (Contributed by SN, 5-Jun-2025)

Ref Expression
Assertion cjex * V

Proof

Step Hyp Ref Expression
1 cjf * :
2 cnex V
3 fex2 * : V V * V
4 1 2 2 3 mp3an * V