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  2. Cooperating Validity Checker - Wikipedia

    en.wikipedia.org/wiki/Cooperating_Validity_Checker

    Both CVC4 and cvc5 support the SMT-LIB and TPTP input formats for solving SMT problems, and the SyGuS-IF format for program synthesis. Both CVC4 and cvc5 can output proofs that can be independently checked in the LFSC format, cvc5 additionally supports the Alethe and Lean 4 formats. [3] [4] cvc5 has bindings for C++, Python, and Java.

  3. Answer set programming - Wikipedia

    en.wikipedia.org/wiki/Answer_set_programming

    The program in this example illustrates the "generate-and-test" organization that is often found in simple ASP programs. The choice rule describes a set of "potential solutions"—a simple superset of the set of solutions to the given search problem. It is followed by a constraint, which eliminates all potential solutions that are not acceptable.

  4. Walter Savitch - Wikipedia

    en.wikipedia.org/wiki/Walter_Savitch

    Aside from his work in theoretical computer science, Savitch wrote a number of textbooks for learning to program in C/C++, Java, Ada, Pascal and others. Savitch received his PhD in mathematics from University of California, Berkeley in 1969 under the supervision of Stephen Cook .

  5. Satisfiability modulo theories - Wikipedia

    en.wikipedia.org/wiki/Satisfiability_modulo_theories

    In computer science and mathematical logic, satisfiability modulo theories (SMT) is the problem of determining whether a mathematical formula is satisfiable.It generalizes the Boolean satisfiability problem (SAT) to more complex formulas involving real numbers, integers, and/or various data structures such as lists, arrays, bit vectors, and strings.

  6. SC (complexity) - Wikipedia

    en.wikipedia.org/wiki/SC_(complexity)

    It is open if directed st-connectivity is in SC, although it is known to be in P ∩ PolyL (because of a DFS algorithm and Savitch's theorem). This question is equivalent to NL ⊆ SC. RL and BPL are classes of problems acceptable by probabilistic Turing machines in logarithmic space and polynomial time.

  7. Savitch's theorem - Wikipedia

    en.wikipedia.org/wiki/Savitch's_theorem

    In other words, if a nondeterministic Turing machine can solve a problem using () space, a deterministic Turing machine can solve the same problem in the square of that space bound. [1] Although it seems that nondeterminism may produce exponential gains in time (as formalized in the unproven exponential time hypothesis ), Savitch's theorem ...

  8. PSPACE - Wikipedia

    en.wikipedia.org/wiki/PSPACE

    An alternative characterization of PSPACE is the set of problems decidable by an alternating Turing machine in polynomial time, sometimes called APTIME or just AP. [4]A logical characterization of PSPACE from descriptive complexity theory is that it is the set of problems expressible in second-order logic with the addition of a transitive closure operator.

  9. Conflict-driven clause learning - Wikipedia

    en.wikipedia.org/wiki/Conflict-Driven_Clause...

    In computer science, conflict-driven clause learning (CDCL) is an algorithm for solving the Boolean satisfiability problem (SAT). Given a Boolean formula, the SAT problem asks for an assignment of variables so that the entire formula evaluates to true. The internal workings of CDCL SAT solvers were inspired by DPLL solvers.