Theorem 1tiei

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

	Ref	Expression
Assertion	1tiei	$$⊢1\mathrm{i}=\mathrm{i}$$

Proof

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