The hotdog sandwich question

Is a hotdog a sandwich? The question is interesting because we don’t call a hotdog a sandwich, but it meets many of the salient criteria for being a sandwich. When we think about a general sandwich, we typically think about its components and structure. A hotdog mostly has the right components and structure to be…

Cluster definitions as an explanation for vague concepts

Vague concepts are fuzzy. They lack strict definitions and contain edge cases. One classical example is baldness: we would call a person bald even if they have three hairs on their head, so exactly how many hairs could someone have and still be bald? Another example is a heap of sand: a single grain of…