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Metamath Proof Explorer

Theorem 1tiei

Description: 1 times _i equals _i . (Contributed by SN, 25-Apr-2025)

		Ref	Expression
	Assertion	1tiei	$⊢ 1 i = i$

Step	Hyp	Ref	Expression
1		ax-icn	$⊢ i \in ℂ$
2	1	mullidi	$⊢ 1 i = i$