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Mirrors > Home > MPE Home > Th. List > df-gam | Structured version Visualization version GIF version |
Description: Define the Gamma function. See df-lgam 25756 for more information about the reason for this definition in terms of the log-gamma function. (Contributed by Mario Carneiro, 12-Jul-2014.) |
Ref | Expression |
---|---|
df-gam | ⊢ Γ = (exp ∘ log Γ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cgam 25754 | . 2 class Γ | |
2 | ce 15507 | . . 3 class exp | |
3 | clgam 25753 | . . 3 class log Γ | |
4 | 2, 3 | ccom 5529 | . 2 class (exp ∘ log Γ) |
5 | 1, 4 | wceq 1542 | 1 wff Γ = (exp ∘ log Γ) |
Colors of variables: wff setvar class |
This definition is referenced by: gamf 25780 eflgam 25782 |
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