Claim:∅ ⊆ A

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Revision as of 18:43, 17 February 2018 by {{GENDER:Mdg39|[math]'"2}} [/math]'"7
(<math>1) </math>2 | <math>3 (</math>4) | <math>5 (</math>6)
Claim (see proof):
for any set [math]X [/math], [math]\href{/cs2800/wiki/index.php/%E2%88%85}{∅} \href{/cs2800/wiki/index.php/%5Csubseteq}{\subseteq} X [/math]
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