Logos or the appeal to logic is the use of logic or reason to persuade an audience. i.e. You should stop eating that chocolate or you will probably get sick?
Explanation:
Pathos appeals to the audience's emotions and evokes feelings.
Logos or the appeal to logic is the use of logic or reason to persuade an audience.
Ethos It is an appeal to authority and credibility in persuasive language. Ensuring an audience of the speaker/or writer's argument's reliability or credibility. Making yourself (or your argument) appear credible and trustworthy will help you persuade your audience.