I see that gjm has replied with beautifully typeset text.
What is a reference image?
I have a confession to make, I can make no sense of probability as degree of belief. The measure-theoretic definition (due to Kolmogoroff?) suits me and I have never progressed beyond it. I can do naught but beg your forgiveness.
Do you play go?
That remind me of what we had in our house. It wasn't used much for cooking, stews maybe that's all I recall.