A concept A and a concept B are considered to be &quot;opposing concepts.
But cannot clearly explain the boundaries of A and B = <a href="/en/Unclear%20concept">Unclear concept</a>.
<img src="https://gyazo.com/72dd96004f741b66fba2f9461aa36f10/thumb/1000" alt="image">
The use of this type of concept is a catalyst for vacillation in the discussion.
<ul>
<li>We may agree on a few straightforward examples
<ul>
<li>But agreement on cases is not agreement on boundaries.</li>
<li><img src="https://gyazo.com/da56b81f22da6dbde66ecab1af0495cc/thumb/1000" alt="image"></li>
</ul>
</li>
<li>Let&#39;s clarify boundaries to improve, you might think.
<ul>
<li>There may be no clear boundaries to begin with: <a href="/en/False%20dichotomy">False dichotomy</a>.<ul>
<li>Maybe we should define the <a href="/en/axis">axis</a> and discuss the <a href="/en/continuous%20value">continuous value</a> of &quot;strong/weak characteristics&quot; in that axis direction.</li>
</ul>
</li>
</ul>
</li>
<li><a href="/en/indistinctness">indistinctness</a>
</li>
</ul>
<hr>
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Unclear dichotomy