set and venn diagram

set and venn diagram

1. Set language and notation

   • A U B "A union B" everything that is in either of the sets
   • Ac or ~A "A complement", or "not A" everything in the universe outside of A
   • A ^ B or A intersect B "A intersect B" only the things that are in both of the sets
   • ~(A U B) "not (A union B)" everything outside A and B
   • "A complement B" everything in A except for anything in its overlap with B
   • ~(A ^ B) or ~(A intersect B) "not (A intersect B)" everything outside of the overlap of A and B

2. Venn Diagram

   • A ^ C.
   • A U(B – C)
   • A U(B - C) U A
   • B U C

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