I am delighted to announce completion of the second issue of the new journal of “Geopersia”, a product of the new era of replacing the Persian language journals with specific English-language ones. Our purpose is to provide a journal that offers a multi-disciplinary analysis of issues concerning Geology subjects (i.e. sedimentology, stratigraphy, paleontology, Petroleum Geology, Engineering Geo...

Researchers in the area of EFL learning have tried to put the way(s) by which EFL learners learnEnglish vocabulary into some frames and present them as strategies. This paper reviewsdescriptive research on vocabulary learning strategies in English as a foreign language. Thereview focuses on common strategies that learners use in vocabulary learning such as dictionarystrategies, note-taking stra...

Let S be a finite 1-sorted structure. Note that the carrier of S is finite. Let S be a trivial 1-sorted structure. Note that the carrier of S is trivial. Let us mention that every set which is trivial is also finite. Let us mention that every 1-sorted structure which is trivial is also finite. Let us note that every 1-sorted structure which is non trivial is also non empty. One can verify the f...