Venn Diagram is given by an English Logician Mr.Venn. He used diagrams to show the relations between sets. De Morgan's Law Venn diagram is used in Set Language.
A set is a collection of well defined distinct objects.
De Morgan's Law
(i) (A`uu`B)' = A'`nn` B'
(ii) (A`nn`B)' = A'`uu`B'
(iii) A`-` (B`uu` C) = (A`-` B)`nn`(A`-` C)
(iv) A`-` (B`nn` C) = (A`-` B)`uu` (A`-` C)
(i) and (ii) are w.r.t.complementation
(iii) and (iv) are w.r.t. to set difference.
Venn Diagrams
Let A and B are two given sets. Then the set of all elements common for both A and B is called intersection of A and B and is denoted by A.
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