(Dune ridges) can be parallel.Logical formLearned from2 sentences. Patterns can be constituted-of-or-filled-with (beach ridges).Logical formLearned from2 sentences. (Beach ridges) may be found.Logical formLearned from2 sentences. Alveolar ridges can be constituted-of-or-filled-with areas.Logical formLearned from2 sentences. Ridges can be constituted-of-or-filled-with facets.Logical formLearned from2 sentences. Ridges may be projected to an intersection of some hyperplanes.Logical formLearned from2 sentences. Ridges can be complex.Logical formLearned from2 sentences. Ridges may determine a set of facets.Logical formLearned from2 sentences. A facet can be a set of ridges.Logical formLearned from2 sentences. Ridges can be above some feet.Logical formLearned from2 sentences. Ridges may testify to processes.Logical formLearned from2 sentences. Features may be marked by a ring of ridges.Logical formLearned from2 sentences. Plains may be cuted by ridges.Logical formLearned from2 sentences. Images can be constituted-of-or-filled-with ridges.Logical formLearned from2 sentences. A plurality can be constituted-of-or-filled-with ridges.Logical formLearned from2 sentences.