In this tutorial let's quickly go through the propositional logic and Predicate logics.
statemet ro an expression either true or fale can be describe as a proposition.
example1:
3<5>
so this can be consider as a preposition.
example2:
today is 8th of November 2008. This is also a preposition.
Connectives:
we can use the connectives to combine the propositions to form compound/ complex propositoins.
Compound Prepositions.
p q p and q p or q p implise q p if and only if q
T T T T T T
T F F T F F
F T F T T F
F F F F T T
Totalogy: if a statement is always true, then we can consider it as a totalogy.
Contradictory: if a statement is always false, then it is known as a contradictory.
Logical Iquivlant:
