List posts with multiple categories

Topics: Controls
Mar 16, 2009 at 7:49 AM
Edited Mar 16, 2009 at 7:51 AM
Hello everyone,

I wonder if there exists a way of displaying posts with multiple categories only? For example, let's assume there are 3 posts:
Post 1: with categories catA and catB
Post 2: only with catA
Post 3: ony with catB

Now, when catA is selected, posts 1 & 2 are displayed. But I want to select (somehow) catA & catB to display only Post 1.

Is this possible?

Thanks you,