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Definition df-e 14969
Description: Define Euler's constant 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 14963 . 2 class e
2 c1 10100 . . 3 class 1
3 ce 14962 . . 3 class exp
42, 3cfv 6037 . 2 class (exp‘1)
51, 4wceq 1620 1 wff e = (exp‘1)
Colors of variables: wff setvar class
This definition is referenced by:  esum  14981  ere  14989  ege2le3  14990  efzval  15002  loge  24503  logdivlti  24536  emgt0  24903  pntpbnd1a  25444  ex-co  27577  subfaclim  31448
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