Antecedent— the IF part of an IF-THEN rule. If the conditions in the IF part are fully satisfied, the system executes the actions identified in the THEN part.

Webster Dictionary Meaning

1. Antecedent
- Going before in time; prior; anterior; preceding; as, an event antecedent to the Deluge; an antecedent cause.
- Presumptive; as, an antecedent improbability.
2. Antecedent
- That which goes before in time; that which precedes.
- One who precedes or goes in front.
- The earlier events of one's life; previous principles, conduct, course, history.
- The noun to which a relative refers; as, in the sentence "Solomon was the prince who built the temple," prince is the antecedent of who.
- The first or conditional part of a hypothetical proposition; as, If the earth is fixed, the sun must move.
- The first of the two propositions which constitute an enthymeme or contracted syllogism; as, Every man is mortal; therefore the king must die.
- The first of the two terms of a ratio; the first or third of the four terms of a proportion. In the ratio a:b, a is the antecedent, and b the consequent.
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