A mat can be on rocks.Logical formLearned from2 sentences. A bacterial mat can be thick.Logical formLearned from2 sentences. An operation may change mat.Logical formLearned from2 sentences. Mat can be invertible.Logical formLearned from2 sentences. Rows can be constituted-of-or-filled-with mat2.Logical formLearned from2 sentences. A number of columns of mat1s may equal a number of rows of mat2.Logical formLearned from2 sentences. Some rows of mat may have a length.Logical formLearned from2 sentences. Entries of mat may lie in a field.Logical formLearned from2 sentences. Mat can be an introduction to a theory of linear algebras.Logical formLearned from2 sentences. A (yoga mat) may manifest thickness.Logical formLearned from2 sentences. A mat can be in place.Logical formLearned from2 sentences. Columns can be under (mat records).Logical formLearned from2 sentences. (Mat exercises) may be introduced.Logical formLearned from2 sentences. Mat can be a word.Logical formLearned from2 sentences. Mats may clog waterways.Logical formLearned from2 sentences.