Theorem 0m0e0

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

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

Proof

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