Its a algorithm. DPLL/Davis-Putnam-Logemann-Loveland algorithm is a complete, backtracking-based algorithm for deciding the satisfiability of propositional logic formulae in conjunctive normal form, i.e. for solving the CNF-SAT problem.
they help us in time of emergency they dont take order from brain but directky command to da what is the need of hour they are some times very helpful like when u open a tap of very hot water or by mistake step on something sharp etc so on and bubyeeeee dpll
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