<html xmlns="http://www.w3.org/1999/xhtml" a0:Name="SuikaWiki" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:Version="0.9"><head></head><body><p><a0:anchor-end a0:anchor="1">[1]</a0:anchor-end> <dfn>反射性</dfn>: <code class="math">(∀<var>x</var> ∈ <var>X</var>) <var>x</var><var>R</var><var>x</var></code></p></body></html>