##### Propositional Logic

##
Elements of Propositional Logic

### Subjects to be Learned

- elements used for constructing complex propositions

### Contents

Simple sentences which are true or false are basic propositions. Larger
and more complex sentences are constructed from basic propositions
by combining them with **connectives**. Thus **propositions** and
**connectives**
are the basic elements of propositional logic. Though there are many connectives,
we are going to use the following **five basic connectives** here:

NOT, AND, OR,
IF_THEN (or IMPLY), IF_AND_ONLY_IF.

They are also denoted by the symbols:

, , ,
, ,

respectively.

**
Next -- Truth Table **

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