def get_linvac(self, epsilon):
"""Convert probability into a linear vacuous mixture:
.. math::
\underline{E}(f)=(1-\epsilon)E(f)+\epsilon\inf f"""
epsilon = self.make_number(epsilon)
return LinVac(self.pspace,
lprob=[(1 - epsilon) * self[{
omega: 1
}, True][0] for omega in self.pspace],
number_type=self.number_type)
