Theorem 0ne1

Description: Zero is different from one (the commuted form is Axiom ax-1ne0 ). (Contributed by David A. Wheeler, 8-Dec-2018)

	Ref	Expression
Assertion	0ne1	|- 0 =/= 1

Proof

Step	Hyp	Ref	Expression
1		ax-1ne0	|- 1 =/= 0
2	1	necomi	|- 0 =/= 1