Operations of logic

The three simplest operations of logic are: Other operations that can be expressed in terms of the first three include: There are several others; see Logical connective for more information.
 * negation — "not"
 * conjunction — "and"
 * disjunction — "or"
 * implication — "implies" or "if... then"
 * equivalence — "if and only if"
 * exclusive disjunction — "either... or... but not both"