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<h2 class="hd hd-2 unit-title">Overview and Slides</h2>
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<h3 class="hd hd-2">Lecture Overview</h3>
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<p>Please find below a PDF version of the slides covered in this unit's lecture. We recommend browsing through them while watching the video recordings of the lectures.</p>
<ul>
<li><a href="/assets/courseware/v1/7c794667c7eeab13de09d64c88bb93ed/asset-v1:MITx+15.481x+1T2021+type@asset+block/Unit_4_Part_1.pdf" target="[object Object]">Unit 4, Part 1</a></li>
<li><a href="/assets/courseware/v1/814de430f8e3dd61db14cf2b6e2b4907/asset-v1:MITx+15.481x+1T2021+type@asset+block/Unit_4_Part_2.pdf" target="[object Object]">Unit 4, Part 2</a></li>
<li><a href="/assets/courseware/v1/88e2c0845fbbf01259e327712c49614e/asset-v1:MITx+15.481x+1T2021+type@asset+block/Unit_4_Part_3.pdf" target="[object Object]">Unit 4, Part 3</a></li>
</ul>
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