conditional(redirected from If then)
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a. (of an equation or inequality) true for only certain values of the variable: x2 --1 = x + 1 is a conditional equation, only true for x = 2 or --1
b. (of an infinite series) divergent when the absolute values of the terms are considered
2. Logic (of a proposition) consisting of two component propositions associated by the words if…then so that the proposition is false only when the antecedent is true and the consequent false. Usually written: p→q or p⊃q, where p is the antecedent, q the consequent, and → or ⊃ symbolizes implies
3. Logic a conditional proposition
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Subject to the result of a comparison made during computation in a computer, or subject to human intervention.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.