In Logic the term ‘antecedent’ is used to designated the part of a
conditional (or *hypothetical*) proposition that follows the world ‘if’.

A **conditional proposition** is any proposition that asserts “*If* subject term, *then* predicate term.”

In conditional propositions the antecedent term asserts a **sufficient condition** for the predicate term’s existence or
occurrence. That is, if the sufficient condition is met, then it *must* be the case that the event or act asserted in the predicate
will be true.

For example in the statement “If you get an A on the final exam, then you will pass the class,” the
antecedent term (“you get an A on the final exam”) is asserted to be a *sufficient condition* (it is the minimum that must
occur) for passing the class.

Following this example we can clearly see that there is *only one condition* when a conditional statement will be false:
when the fact of the antecedent is met, but the consequent does not follow (e.g., you got an A on the final, but did not pass
the class).