21 October 2008

Six Ways to Say the Same Thing

Prose
"'Aves' refers to the crown clade stemming from the most recent common ancestor of Ratitae (Struthio camelus Linnaeus 1758), Tinamidae (Tetrao [Tinamus] major Gmelin 1789), and Neognathae (Vultur gryphus Linnaeus 1758)."
—Jacques Gauthier & Kevin de Queiroz 2001 December


Simple Mathematical Formula

Aves := Clade(Struthio camelus + Tetrao major + Vultur gryphus)


Complex Mathematical Formula

Aves Linnaeus 1758 [Gauthier & de Queiroz 2001] := (AD o max o CA)(Struthio camelusTetrao majorVultur gryphus)


Ridiculously Complex Mathematical Formula

C := {x : (∀y ∈ (Struthio camelusTetrao majorVultur gryphus))[xy]}
A := {xC : (∀yC)[xy]}
Aves := {x : (∃yA)[xy]}


Simple MathML-Content
<apply>
xmlns="http://www.w3.org/1998/Math/MathML"
<csymbol
definitionURL="http://namesonnodes.org/2008/phylo/math/nodeClade"/>
<csymbol
definitionURL="urn:isbn:0-85301-006-4/Struthio+camelus"/>
<csymbol
definitionURL="urn:isbn:0-85301-006-4/Tetrao+major"/>
<csymbol
definitionURL="urn:isbn:0-85301-006-4/Vultur+gryphus"/>
</apply>

Complex MathML within Custom Markup
<pn:definition
xmlns="http://www.w3.org/1998/Math/MathML"
xmlns:pn="http://namesonnodes.org/2008/phylo/names">
<apply>
<csymbol
definitionURL="http://namesonnodes.org/2008/phylo/math/clade">
<mi form="prefix">Clade</mi>
</csymbol>
<apply>
<csymbol
definitionURL="http://namesonnodes.org/2008/phylo/math/nodeAncestors">
<mo form="infix">+</mo>
</csymbol>
<csymbol
definitionURL="urn:isbn:0-85301-006-4/Struthio+camelus">
<![CDATA[<i>Ratitae</i> (<i>Struthio camelus</i> Linnaeus 1758)]]>
</csymbol>
<csymbol
definitionURL="urn:isbn:0-85301-006-4/Tetrao+major">
<![CDATA[<i>Tinamidae</i> (<i>Tetrao</i> [<i>Tinamus</i>] <i>major</i> Gmelin 1789)]]>
</csymbol>
<csymbol
definitionURL="urn:isbn:0-85301-006-4/Vultur+gryphus">
<![CDATA[<i>Neognathae</i> (<i>Vultur gryphus</i> Linnaeus 1758)]]>
</csymbol>
</apply>
</apply>
</pn:definition>



References

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