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DISCOURSE

discussion:  "a formal treatment of a topic in speech or writing."  Merriam-Webster Dictionary

dialogue:  "an exchange of ideas and opinions ...  aimed at resolution" ibid.

"In the dialogic relation of recognizing oneself in the other, they experience the common ground of their existence."   Jürgen Habermas Knowledge & Human Interest

“Only by bringing out the child’s own ideas in dialogical and dialectical settings can the child begin to reconstruct and progressively transcend concepts.” Richard Paul Critical Thinking Handbook

“In fact, a large part of what we call 'good teaching' is the teacher’s ability to attain affective objectives through challenging the student’s fixed beliefs and getting them to discuss issues.” David Krathwohl, Benjamin Bloom et al. Taxonomy of Educational Objectives Book 2: Affective Domain, p. 54

"dialogical consciousness."  Kenneth Benne  Human Relations in Curriculum Change
You can always tell when your talking to a liberal, when you bring them to truth they always accuse you of being argumentative.

‘A key difference between a dialogue and an ordinary discussion is that, within the latter people usually hold relatively fixed positions and argue in favour of their views as they try to convince others to change. At best this may produce agreement or compromise, but it does not give rise to anything creative’  ‘The purpose of dialogue is to reveal the incoherence in our thought ... genuine and creative collective consciousness’. (Bohm and Peat 1987: 241)

‘What is essential here is the presence of the spirit of dialogue, which is in short, the ability to hold many points of view in suspension, along with a primary interest in the creation of common meaning’ ibid

‘A Dialogue is essentially a conversation between equals’ ibid

Eve dialogued with Satan, herself, and Adam—all becoming equal in their quest to be equal with God.  Jesus instructed Satan on righteousness from the word of God, not equating himself equal with the father, but under his will, showing all men how they must live.