Theorem 6ne0

Description: The number 6 is nonzero. (Contributed by SN, 22-Oct-2025)

	Ref	Expression
Assertion	6ne0	|- 6 =/= 0

Proof

Step	Hyp	Ref	Expression
1		6nn	|- 6 e. NN
2	1	nnne0i	|- 6 =/= 0