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Definition df-e 16070
Description: Define Euler's constant e = 2.71828.... (Contributed by NM, 14-Mar-2005.)
Assertion
Ref Expression
df-e e = (exp‘1)

Detailed syntax breakdown of Definition df-e
StepHypRef Expression
1 ceu 16064 . 2 class e
2 c1 11159 . . 3 class 1
3 ce 16063 . . 3 class exp
42, 3cfv 6554 . 2 class (exp‘1)
51, 4wceq 1534 1 wff e = (exp‘1)
Colors of variables: wff setvar class
This definition is referenced by:  esum  16082  ere  16091  ege2le3  16092  efzval  16104  loge  26613  logdivlti  26647  pntpbnd1a  27614  ex-co  30371  subfaclim  35016
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