Theorem ene0

Description: _e is not 0. (Contributed by David A. Wheeler, 17-Oct-2017)

	Ref	Expression
Assertion	ene0	$$⊢\mathrm{e}\ne 0$$

Proof

Step	Hyp	Ref	Expression
1		ere	$$⊢\mathrm{e}\in ℝ$$
2		epos	$$⊢0<\mathrm{e}$$
3	1 2	gt0ne0ii	$$⊢\mathrm{e}\ne 0$$