Re: What complexity have a log(sum) shape?

[cym13 via Digitalmars-d]

On Tuesday, 8 December 2015 at 17:33:49 UTC, Andrei Alexandrescu 
wrote:
On 12/08/2015 12:12 PM, Timon Gehr wrote:
O(log(n+m)) = O(log(n)+log(m)).

Noice. Yes I did miss it. Thx!! -- Andrei

Surely I'm missing something obvious but why is it true exactly?