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                | Advanced Math |  | 
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	 	| Question : |  
	 		| What is 'Aleph' ? |  
	 	| Answer :
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	 		| It is the first letter of the Hebrew alphabet written as  . |  
	 		| The cardinal number of all 
			countably infinite sets is called ALEPH-NULL or ALEPH ZERO. It is written as  . |  
	 		| The aleph numbers differ from the infinity commonly found in algebra and calculus |  |