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Definition df-gam 23708
Description: Define the Gamma function. See df-lgam 23707 for more information about the reason for this definition in terms of the log-gamma function. (Contributed by Mario Carneiro, 12-Jul-2014.)
Assertion
Ref Expression
df-gam  |-  _G  =  ( exp  o.  log  _G )

Detailed syntax breakdown of Definition df-gam
StepHypRef Expression
1 cgam 23706 . 2  class  _G
2 ce 12359 . . 3  class  exp
3 clgam 23705 . . 3  class  log  _G
42, 3ccom 4709 . 2  class  ( exp 
o.  log  _G )
51, 4wceq 1632 1  wff  _G  =  ( exp  o.  log  _G )
Colors of variables: wff set class
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