modus po·nens | \ -ˈpōˌnenz \
plural modi ponentes\ -pōˈnen‧ˌtēz \
Definition of modus ponens
: a mode of reasoning from a hypothetical proposition according to which if the antecedent be affirmed the consequent is affirmed (as, if A is true, B is true; but A is true; therefore, B is true)
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