Definition df-e 7299

Description: Define Euler's constant 2.71828....

Assertion

Ref	Expression
df-e	|- e = (exp` 1)

Detailed syntax breakdown of Definition df-e

Step	Hyp	Ref	Expression
1		ceu 7294	. 2 class e
2		c1 5235	. . 3 class 1
3		ce 7293	. . 3 class exp
4	2, 3	cfv 3182	. 2 class (exp` 1)
5	1, 4	wceq 956	1 wff e = (exp` 1)

This definition is referenced by:  eval 7309  ere 7330  efnn0valt 7373  eirrlem5 7393  loge 8767

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