Which term describes the concept that a robust exchange of ideas,with none barred,yields better consensus?

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The term that describes the concept of a robust exchange of ideas, with none barred, yielding better consensus is the marketplace of ideas. This term suggests that when individuals are free to express their different viewpoints and opinions, it leads to the generation of many different ideas in a free marketplace. Ultimately, the best ideas will rise to the top and consensus will be reached based on the merits of those ideas.

Which Term Describes the Concept That a Robust Exchange of Ideas,with