Conceivability arguments for haecceitism have two steps. The first step requires our success in conceiving or imagining certain states of affairs. The second step requires an inference from the relevant conceiving or imagining to the possibility of the states of affairs in question. Among the wide variety of conceivability arguments for haecceitism, some vary with respect to the kind of conceivability or imagination required, while others vary with respect to the kinds of states of affairs involved. This section sets out some conceivability arguments offered in the literature with some limited remarks about their salient differences.