In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

In argumentation theory , an argumentum ad populum ( Latin for " argument to the people " ) is a fallacious argument that concludes that a proposition must be true because many or most people believe it , often concisely encapsulated as : " If many believe so , it is so . "
An appeal to popularity , also called argumentum ad populum ( Latin for " appeal to the people " ) , is a logical fallacy .