  Porphyry’s divisions by no means exhausted the types of term and phrase that could be regarded as singular. For those who accepted simple supposition as supposition for a common nature, “Man is a species” had a singular subject. Later nominalists regarded the same sentence as indefinite, on the grounds that ‘man’ had material supposition and could refer either to itself or to its equiforms. Indeed, any term whatsoever could be taken as having material supposition for itself or its equiforms, or as having personal supposition, and in early sixteenth-century Parisian logic texts it was normal to remark that all singular terms are common, and all common terms are singular when taken in these different ways. Collective terms of one sort and another were included under the heading of singular terms. ‘These’ in “These are running,” ‘all God’s apostles’ in “All God’s apostles are twelve &lt;in number&gt;,” ‘Rome’, and ‘Salamanca’ are examples. Phrases containing a mixture of singular and common terms, such as ‘the being which is Socrates’, were also counted as singular. Other phrases containing mixtures of singular and common terms together with logical connectives were the subject of many rules and lengthy discussions from the late fourteenth century onward. Thus we discover that ‘Socrates or Plato’ is a common term because it can be verified of more than one thing while ‘Socrates and Plato’ is a collective singular term. On the other hand, if we write ‘Socrates and a donkey’, the phrase is common because it contains a common term as an equally principal part. This feature distinguishes it from aggregates in which the singular term determines the common term, as in ‘the substance John’ and ‘the man Socrates’.