<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">metaphysics</topic></authority><related type="narrower"><topic>cosmology</topic></related><related type="narrower"><topic>ontology</topic></related><related type="narrower"><topic>process philosophy</topic></related><related type="other"><topic>metaphysical concepts</topic></related><related type="other"><topic>pataphysics</topic></related><related type="other"><topic>metaphysicians</topic></related><related type="broader"><topic>philosophy</topic></related><variant type="other"><topic>metaphysical</topic></variant> <note xml:lang="en"><![CDATA[ Branch of philosophy inquring into the fundamental nature of reality, including such concepts as being, substance, essence, time, space, cause, and identity. ]]></note></mads>