<!DOCTYPE html><htmllang='en'><head><title>[spec.cats]</title><metacharset='UTF-8'/><linkrel='stylesheet'type='text/css'href='14882.css'/><linkrel='stylesheet'type='text/css'href='https://fonts.googleapis.com/css2?family=Noto+Serif'/><linkrel='stylesheet'type='text/css'href='https://fonts.googleapis.com/css2?family=Noto+Sans'/><linkrel='stylesheet'type='text/css'href='https://fonts.googleapis.com/css2?family=Noto+Sans+Mono'/><linkrel='icon'href='icon.png'/><linkrel='stylesheet'type='text/css'href='expanded.css'title='Normal'/><linkrel='alternate stylesheet'type='text/css'href='colored.css'title='Notes and examples colored'/><linkrel='alternate stylesheet'type='text/css'href='normative-only.css'title='Notes and examples hidden'/></head><body><divclass='wrapper'><h1><aclass='secnum'style='min-width:50pt'>4</a> Specification <aclass='abbr_ref'href='index.html#spec'>[spec]</a></h1><h2><aclass='secnum'style='min-width:65pt'>4.2</a> Categories <aclass='abbr_ref'>[spec.cats]</a></h2><divclass='para'id='1'><divclass='marginalizedparent'><aclass='marginalized'href='#1'>1</a></div><divclass='sourceLinkParent'><aclass='sourceLink'href='https://github.com/mpusz/mp-unitse9c5f7236ebfe1b287a5a4a49aaf57fbefa87233/source/intro.tex#L101'>#</a></div><divclass='texpara'><divid='1.sentence-1'class='sentence'>Detailed specifications for each of the components in the library are in
<ahref='quantities.html'title='5 Quantities and units library'>[quantities]</a>–<ahref='quantities.html'title='5 Quantities and units library'>[quantities]</a>,
as shown in Table <ahref='#tab:lib.cats'title='Table 1: Library categories'>1</a><aclass='hidden_link'href='#1.sentence-1'>.</a></div></div><divclass='texpara'><divclass='numberedTable'id='tab:lib.cats'>Table <ahref='#tab:lib.cats'>1</a>: Library categories <ahref='./tab:lib.cats.html'>[tab:lib.cats]</a><br><table><trid='tab:lib.cats-row-1'class='rowsep'><tdclass='hidden'><divclass='marginalizedparent'><aclass='itemDeclLink'href='#tab:lib.cats-row-1'>🔗</a></div></td><tdclass='left'><divclass='texpara'><divid='tab:lib.cats-row-1-column-1-sentence-1'class='sentence'><b>Clause</b></div></div></td><tdclass='left'><divclass='texpara'><divid='tab:lib.cats-row-1-column-2-sentence-1'class='sentence'><b>Category</b></div></div></td></tr><trid='tab:lib.cats-row-2'class='capsep'><tdclass='hidden'><divclass='marginalizedparent'><aclass='itemDeclLink'href='#tab:lib.cats-row-2'>🔗</a></div></td><tdclass='left'><divclass='texpara'><divid='tab:lib.cats-row-2-column-1-sentence-1'class='sentence'><ahref='quantities.html'title='5 Quantities and units library'>[quantities]</a></div></div></td><tdclass='left'><divclass='texpara'><divid='tab:lib.cats-row-2-column-2-sentence-1'class='sentence'>Quantities library</div></div></td></tr></table></div></div></div><divclass='para'id='2'><divclass='marginalizedparent'><aclass='marginalized'href='#2'>2</a></div><divclass='sourceLinkParent'><aclass='sourceLink'href='https://github.com/mpusz/mp-unitse9c5f7236ebfe1b287a5a4a49aaf57fbefa87233/source/intro.tex#L113'>#</a></div><divclass='texpara'><divid='2.sentence-1'class='sentence'>The quantities library (<ahref='quantities.html'title='5 Quantities and units library'>[quantities]</a>)