Union
$$A \cup B =$$
{ advertise, analyze, contextualize, ethos, express, identify, kairos, learn, localize, logos, pathos }
Symmetric Difference
$$A \ominus B =$$
{ advertise, analyze, contextualize, ethos, express, identify, kairos, learn, localize, logos, pathos }
Difference
$$A - B =$$
{ advertise, analyze, contextualize, express, identify, learn, localize }
Cartesian Product
$$A \times B =$$
{ (advertise, ethos),
(advertise, kairos),
(advertise, logos),
(advertise, pathos),
(analyze, ethos),
(analyze, kairos),
(analyze, logos),
(analyze, pathos),
(contextualize, ethos),
(contextualize, kairos),
(contextualize, logos),
(contextualize, pathos),
(express, ethos),
(express, kairos),
(express, logos),
(express, pathos),
(identify, ethos),
(identify, kairos),
(identify, logos),
(identify, pathos),
(learn, ethos),
(learn, kairos),
(learn, logos),
(learn, pathos),
(localize, ethos),
(localize, kairos),
(localize, logos),
(localize, pathos) }
Modes of persuasion