Conjunction

A conjunction is a mathematical operator that returns an output of true if and only if all of its operands are true.

A conjunction can be written as:

a AND b
a ^ b	in logic
a && b	in some computer languages
a · b	in electronics

a b a AND b true true true true false false false true false false false false

Figure 1 - Truth table of a AND b.

Figure 2 - Venn diagram of a AND b.

More Information

• McAdams, David. Biconditional. All Math Words Encyclopedia. http://www.allmathwords.org/biconditional.html.
• McAdams, David. Disjunction. All Math Words Encyclopedia. http://www.allmathwords.org/disjunction.html.

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McAdams, David. Conjunction. 11 July 2008. All Math Words Encyclopedia. All Math Words.org. http://www.allmathwords.org/conjunction.html.
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Revision History
11 July 2008: Added 'Disjunction' to 'More Information' (DEM);
10 March 2008: Added reference to biconditional (DEM).
20 August 2007: Add this revision history (DEM).
16 July 2007: Initial Version (DEM).