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Metamath Proof Explorer

Theorem 0m0e0

Description: 0 minus 0 equals 0. (Contributed by David A. Wheeler, 8-Dec-2018)

		Ref	Expression
	Assertion	0m0e0	$⊢ 0 - 0 = 0$

Step	Hyp	Ref	Expression
1		0cn	$⊢ 0 \in ℂ$
2	1	subidi	$⊢ 0 - 0 = 0$