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)
Vagueness and Sorites Paradox.

Davood Hosseini

Volume 1, Issue 1 , March 2010, Pages 3-26

Abstract
  . The present paper attempts to introduce vagueness and Sorites paradox. First, the observational adequacy of the issue and then its logical form are presented. Later on, the philosophical matters concerning the theoretical framework of vagueness and its philosophy are discussed. Finally, the present ...  Read More

An analysis of cogent conditional quantifier based upon modern logic.

Ali Reza Darabi

Volume 1, Issue 1 , March 2010, Pages 27-56

Abstract
  . This paper presents an analysis to cogent conditional quantifier. There are various approaches to the analysis of conditional quantifier. Some researchers have called this pseudo-quantifier and other authors have interpreted it as being based on temporal logic; or modal logic. In this paper after investigating ...  Read More

The deadlock of negative Predication.

dariush Darvishi

Volume 1, Issue 1 , March 2010, Pages 57-82

Abstract
  . In Organon, Aristotle treats predication exactly like affirmation. There exists no predication which is not affirmative. Negation in Organon is negation to the predication. When a quality is denied of an object, we are not faced with a kind of prediction. This paper attempts to prove that this Aristotelian ...  Read More

What does it mean when it is said that “Every contradiction is impossible”?.

Rahman sharifzadeh; seyyed mohammad ali hojati

Volume 1, Issue 1 , March 2010, Pages 83-91

Abstract
  . The principle of impossibility of contradiction categorically claims that every contradiction is impossible. In this study it is attempted to analyze concepts such as “Contradiction” and “No-contradiction” and the relations between these two concepts with man’s cognition ...  Read More

The logic of fictional propositions.

somayyeh feriduni

Volume 1, Issue 1 , March 2010, Pages 93-112

Abstract
  . The necessities and requirements of the standard logic of phenomenology create some problems in the analysis of fictional propositions which are replete with imaginary identities and lack signifiers. However, the logical conditions of these propositions as the constituent parts of language, is very ...  Read More

Is Ancient Logic one logic?.

asdollah fallahi

Volume 1, Issue 1 , March 2010, Pages 113-142

Abstract
  . We know for logic two systems: the Ancient Logic and the Modern Logic, which are inconsistent in some points of view. In this paper, I want to see if Ancient Logic, versus Modern Logic, is really one logic, has one set of rules, and introduces one methodology. There are many disagreements on the number ...  Read More

A defense of the meaning-based approach to the identification of the criterion for the logical truth.

omid karimzadeh

Volume 1, Issue 1 , March 2010, Pages 143-158

Abstract
  . In this article, I will at first explain the meaning-based theory of Davidson and the manner of its application in the identification of the criterion for the logical truth. To achieve this end I will refer to the Principles of lexical axioms and the principles of Phrasal axioms along with their applications ...  Read More