Volume 14 (2023)
Volume 13 (2022)
Volume 12 (2021)
Volume 11 (2020)
Volume 10 (2019)
Volume 9 (2018)
Volume 8 (2017)
Volume 7 (2016)
Volume 6 (2015)
Volume 5 (2014)
Volume 4 (2013)
Volume 3 (2012)
Volume 2 (2011)
Volume 1 (2010)
Normative analysis of logical validity

Masoud Alvand

Volume 13, Issue 2 , February 2023, , Pages 1-21

https://doi.org/10.30465/lsj.2023.42421.1412

Abstract
  The main problem of this article is logical validity analysis. According to Field, the necessary condition for intertheoretic logical validity of an argument is normative restrictions on belief in the premises and conclusion of that argument. However, the traditional view is that lexically valid arguments ...  Read More

some considerations on Williamson ‘view about the tension between non-classical logic and applicability of mathematics

Masoud Alvand; Morteza haji Hosseini; Amir Karbasi zadeh

Volume 10, Issue 2 , May 2020, , Pages 13-33

https://doi.org/10.30465/lsj.2019.5172

Abstract
  classical logic has had some problems in explaining issues such as semantic paradoxes, vagueness problem, and quantum phenomena and have led logicians to seek non-classical logical formulations in which such problems do not arise. However, the undeniable growth of mathematics and its widespread influence ...  Read More

Is indicative conditionals non-truth functional?

Masoud Alvand

Volume 9, Issue 1 , October 2018, , Pages 1-17

Abstract
  The incompatibility between the connectives of natural language and the language of classical logic in the truth-functionality has led some to think that the language of classical logic is incapable of representing the natural language sentences and formulating the arguments of this language. This paper ...  Read More