Item:Q7718: Difference between revisions

Created claim: defining formula (P333): n! = \begin{cases} \prod_{k = 1}^n k & n > 0 \\ 1 & n = 0 \end{cases}
Property / defining formula
 

n! = \begin{cases} \prod_{k = 1}^n k & n > 0 \\ 1 & n = 0 \end{cases}
Property / defining formula: / rank
 
Normal rank