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Word equations are combinatorial equalities between strings of symbols, variables and functions, which can be used to model problems in a wide range of domains. While some complexity results for the solving of specific classes of equations are known, currently there does not exist a systematic equation solver. We present in this paper a reduction of the problem of solving word equations to Boolean satisfiability, and describe the implementation of a generalpurpose tool that leverages existing SAT solvers for this purpose. Our solver will prove useful in the resolution of word equations, and in the computerbased exploration of various combinatorial conjectures.
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