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Metamath Proof Explorer

Theorem addlidi

Description: 0 is a left identity for addition. (Contributed by NM, 3-Jan-2013)

		Ref	Expression
	Hypothesis	mul.1	$⊢ A \in ℂ$
	Assertion	addlidi	$⊢ 0 + A = A$

Step	Hyp	Ref	Expression
1		mul.1	$⊢ A \in ℂ$
2		addlid	$⊢ A \in ℂ \to 0 + A = A$
3	1 2	ax-mp	$⊢ 0 + A = A$