 Most of the examples Aristotle offers for types (i) to (iii) would not be regarded as metaphors in the modern sense; rather they would fall under the headings of metonomy or synecdoche. The examples offered for type (iv) are more like modern metaphors. Aristotle himself regards the metaphors of group (iv), which are built from analogy, as the most important type of enthymemes. An analogy is given if the second term is to the first as the fourth to the third. Correspondingly, an analogous metaphor uses the fourth term for the second or the second for the fourth. This principle can be illustrated by the following Aristotelian examples: