Logic Journal of the IGPL (Oxford University Press) is an online only journal publishing papers in all areas of pure and applied logic, including pure logical systems, proof theory, model theory, recursion theory, type theory, nonclassical logics, nonmonotonic logic, numerical and uncertainty reasoning, logic and AI, foundations of logic programming, logic and computation, logic and language, and logic engineering. Indexed in the Journal Citation Report - SCIE (Web of Science) with an impact index of 0.868.

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AIMS MATHEMATICS (ISSN 2473-6988) is Open Access and an international monthly publication devoted to publishing peer-reviewed, high quality, research articles in all major fields of mathematics.  The journal publishes original research and invited expository articles.  Indexed in the Journal Citation Report - Scopus (Q1) with an impact index of 1.8.

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Axioms (ISSN 2075-1680) is an international peer-reviewed open access journal of mathematics, mathematical logic and mathematical physics, published quarterly online by MDPI. Covered in the Science Citation Index Expanded (SCIE - Web of Science-Q1)  with an impact index of 2.0, Scopus, dblp Computer Science Bibliography, and other databases. 

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Mathematics (ISSN 2227-7390) is a peer-reviewed open access journal which provides an advanced forum for studies related to mathematics and is published semimonthly online by MDPI. Indexed in the Journal Citation Report - SCIE (Web of Science) with an impact index of 2.3 (1st quartile in MATHEMATICS category, the ranking of the journal steps forward to 21/489 (Q1) from 23/330).

The editorial office will provide to publish free-APC (free of charge) for four qualified papers at this Special Issue.

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