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In logic, a conjunction is a proposition that contains two (or more) sub-statements linked by “and”.


It is raining and the sun is shining

Truth table

A conjunction is true exactly when both sub-statements are true.

A B A ∧ B
true true true
true false false
false true false
false false false

Colloquial Use

The way we are using the word “and” in common language is not always the same way as in logic. In everyday language, it can also express causal connections or temporal sequences. However, these are not conjunctions in the logical sense.

Logical symbol

In the context of this website, the symbol (pronounced “et”) is used as a sign for the conjunction. In other publications, & or are also used, among others.

See also

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