 The central challenge to the descriptivist theory is that there is reason to suspect that proper names are not semantically equivalent to definite descriptions. Saul Kripke (1972) argues, for example, that names pick out the same object even when embedded under modal terms like ‘might’, whereas definite descriptions typically don’t do this. Returning to our earlier example of ‘David Cameron’ and supposing that the description I associate with Cameron is the British Prime Minister who called for a referendum on Brexit, it seems that I can still truly assert: