5 lines
447 B
HTML
5 lines
447 B
HTML
<h2 id="natural-transformations">Natural Transformations</h2>
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<p>Let \(F\) and \(G\) be two functors from \(\C\) to \(\D\).</p>
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<p><img src="categories/img/mp/natural-transformation.png" alt="Natural transformation commutative diagram" class="right"/> <em>A natural transformation:</em> familly η ; \(η_X\in\hom{\D}\) for \(X\in\ob{\C}\) s.t.</p>
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<p>ex: between Haskell functors; <code>F a -> G a</code><br />Rearragement functions only.</p>
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