NIST

CTL

(definition)

Definition: A propositional, branching-time temporal logic for which formulas can be checked in linear time. An acronym for Computation Tree Logic.

Note: CTL differs from CTL* in that in CTL path quantifiers (E and A) always appear with temporal operators (F, G, X, U, etc.). Therefore CTL formulas are state formulas.

Author: PEB


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Entry modified 17 December 2004.
HTML page formatted Fri Feb 23 10:06:07 2018.

Cite this as:
Paul E. Black, "CTL", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 17 December 2004. (accessed TODAY) Available from: https://www.nist.gov/dads/HTML/ctl.html