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<p>Informally, it says that all cardinals less than the <a href="page.php?w=cardinality_of_the_continuum">cardinality of the continuum</a>, , behave roughly like . The intuition behind this can be understood by studying the proof of the <a href="page.php?w=Rasiowa-Sikorski_lemma">Rasiowa-Sikorski lemma</a>. It is a principle that is used to control certain <a href="page.php?w=forcing_%28mathematics%29">forcing</a> arguments.</p>

<p><big>Statement</big></p>
<p>For a cardinal number , define the following statement:;MA(?): For any <a href="page.php?w=partial_order">partial order</a></p><p>
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