14 lines
396 B
HTML
14 lines
396 B
HTML
<h2>Category \(\Set\)</h2>
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<ul>
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<li> \(\ob{\Set}\) are <em>all</em> the sets</li>
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<li> \(\hom{E,F}\) are <em>all</em> functions from \(E\) to \(F\)</li>
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<li> ∘ is functions composition </li>
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</ul>
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<ul class="slide">
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<li>\(\ob{\Set}\) is a proper class ; not a set</li>
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<li>\(\hom{E,F}\) is a set</li>
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<li>\(\Set\) is then a <em>locally <b>small</b> category</em></li>
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</ul>
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