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Metamath Proof Explorer

Theorem cj0

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

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

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