Theorem cj0

Description: The conjugate of zero. (Contributed by NM, 27-Jul-1999)

	Ref	Expression
Assertion	cj0	$$⊢\bar{0}=0$$

Proof

Step	Hyp	Ref	Expression
1		0re	$$⊢0\in ℝ$$
2		cjre	$$⊢0\in ℝ\to \bar{0}=0$$
3	1 2	ax-mp	$$⊢\bar{0}=0$$