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Mathematics 15 Online
OpenStudy (christos):

Discrete Math, can you please tell me what exactly is this ?http://screencast.com/t/VhmnhYq9sOed thank you

OpenStudy (anonymous):

it just means you do not include the element 0 in this set

OpenStudy (christos):

and what about this backslash

OpenStudy (anonymous):

back lash mean not include

OpenStudy (christos):

ok ty

OpenStudy (anonymous):

your welcome

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