In this example, the caption is part of the image file and is therefore only accessible as part of the description. A Venn diagram captioned: "In a survey of 250 European travelers, 93 have traveled ...

Our opening quote contended that Venn diagrams are overrated. Even those who agree must admit that they have a curious allure. Take the sets of interesting topics in logic, in geometry and in ...

In set notation this is B = {1, 4, 9}. 30 people answered a survey about whether they have a dog or a cat. The Venn diagram shows the information from the survey. 13 people have got a dog.