%0 Journal Article %T Asymptotic Enumeration of $I_3$-free Digraphs %A Andres Aranda %J Mathematics %D 2015 %I arXiv %X We prove that almost all digraphs not embedding an independent set of size 3 consist of two disjoint tournaments, and discuss connections with the theory of homogeneous simple structures. %U http://arxiv.org/abs/1505.00235v1