---
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  dfn:
    ref: ["dfn.", "dfns."]
    title: "Definition"
    scope: "sec"
    referenceIndexTemplate: "$$i$$$$s.ref# (%)$$"
  cl:
    ref: ["cl.", "cls."]
    scope: "dfn"
    referenceIndexTemplate: "$$i$$$$s.ref# (%)$$"
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    captionIndexTemplate: '$$s.i%.$$$$ri$$'
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    sub:
      title: Section
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      sub:
        title: Paragraph
        ref: ["par.", "pars."]
chapters: false
...

# Section 1 {#sec:1}

## Section 1.1 {#sec:11}

<div id="dfn:group">
A _group_ is a pair $(R,*)$ satisfying:

#. [$*$ is a monoid]{#cl:grpmul}
</div>

# Section 2 {#sec:2}

## Section 2.1 {#sec:21}

### Section 2.1.1 {#sec:211}

### Section 2.1.2 {#sec:212}

<div id="dfn:ring">
A _ring_ is a triple $(R,+,*)$ satisfying:

#. [$+$ is an abelian group]{#cl:addgp}
#. [$*$ is a monoid]{#cl:multmon}
#. [$*$ distributes over $+$]{#cl:distrib}
</div>

# Section 3

- @sec:1
- @sec:11
- @dfn:group
- @cl:grpmul

---

- @sec:2
- @dfn:ring
- @cl:addgp
- @Cl:multmon
- @Cl:distrib