Then it’s a different kind of diagram isn’t it? John Venn shouldn’t have exclusive rights to overlapping circles.

The Daily Show just won an Emmy this year as well. Pretty much because John Oliver got put into a different category. Last Week Tonight won the Emmy for talk series the last 7 years.

If B then A is the same as if X then Y is the same as if A then B. They are saying it’s the same as the OP. Changing the letters around doesn’t change the meaning since the letters are just placeholders.

Now if you said If A then B AND If B then A as one it wouldn’t be the same because A and B would have to keep the same meaning.