Whether you call it sandwich or not, the mathematical description of a hot dog is well within the bounds of the mathematical description of a sandwich. Fiddlin

Whether you call it sandwich or not, the mathematical description of a hot dog is well within the bounds of the mathematical description of a sandwich. Fiddling about with adjectives is about as useful as saying that squares are not rectangles or rhombuses because otherwise they would be called rhomboid rectangles or rectangular rhombuses. The hot dog is a special case of a sausage submarine sandwich. https://en.wikipedia.org/wiki/Sausage_sandwich https://en.wikipedia.org/wiki/Sausage_sandwich