Ethos refers to all of the following except Deductive Reasoning which is option (a) of the question.
Ethos
The word "ethos," which derives from the Greek word for "character," is used to refer to the core values or principles that define a society, a country, or an ideology. This term was also used by the Greeks to describe how music may affect people's feelings, actions, and even morals.
Nowadays, the term "ethos" refers to the mindset, attitude, or core principles that are distinctive to a certain group of people, organization, culture, or movement. Ethics is a concept that derives from the Greek term ethos, which also means "moral character." An appeal to ethos in rhetoric refers to the speaker's attempt to convince the listener of her authority and credibility.
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