C# “if (object && otherObject)” did not produce an error

So I accidentally coded in human, thinking in my head I could do

if (object && otherObject == null)

to check if both objects are null. Obviously not how C# works, but it did not produce an error. I did a bit of a test and I'm assuming that it is checking

"if (object != null)" when doing "if (object)" and "if (object == null)" when "if (!object)"

Which is something I never learned, and just wanted to 1. Make sure that's what it is doing and 2. Share for those who don't know