Fully mixed strategy (source code)

= Fully mixed strategy
{title2=$\sigma_i(a)>0\ \text{for every }a\in A_i$}

= Completely mixed strategy
{synonym}

A <mixed strategy> assigning strictly positive <probability> to every available <pure strategy>. Its <support of a mixed strategy> is the entire action <set>. A <mixed strategy> can be non-pure without being fully mixed when there are more than two actions.