Limitation of the Modes of Propositions to Necessity and Possibility

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AHMADI AHMAD

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Journal: KHERADNAME-YE SADRA Year:2018 | Volume:23 | Issue:4 (92) Page(s): 5-12

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Title

Limitation of the Modes of Propositions to Necessity and Possibility

Author(s)

AHMADI AHMAD | Issue Writer Certificate

Keywords

mode of propositionsQ1

necessityQ2

impossibilityQ1

possibilityQ1

essential possibilityQ1

possibility through preparednessQ1

epistemologyQ3

KantQ2

Abstract

One of the accurate and profound discussions in logic pertains to the problem of modality in propositions. In the common books of logic, the definition of modality begins with the concepts of necessity, possibility, and impossibility and is later extended to perpetuity, eternity, activity, and temporality. Some logicians have referred to a maximum of 28 modes. Nevertheless, Kant maintains that the modes of propositions are only limited to possibility and impossibility, existence (actuality or in actuality) and non-existence, and necessity and contingency. In this paper, given the author’ s epistemological stance, he argues that the modes of propositions are merely limited to necessity and possibility. This is because a proposition is either affirmative, with a necessity mode, or negative, again with a necessity mode. The former is called a “ necessary proposition” and the latter an “ impossible proposition” . In fact, it is the structures of affirmation and negation which are different from each other; otherwise, both share the same necessity mode. The mode of possibility is also related to the mind’ s hesitation regarding the quality of the relationship between the predicate and the subject. If enough care is not exercised in extracting the predicate from the subject, or if the product of this process is manipulated, possibility will arise.

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APA: Copy

AHMADI, AHMAD. (2018). Limitation of the Modes of Propositions to Necessity and Possibility. KHERADNAME-YE SADRA, 23(4 (92) ), 5-12. SID. https://sid.ir/paper/89410/en

Vancouver: Copy

AHMADI AHMAD. Limitation of the Modes of Propositions to Necessity and Possibility. KHERADNAME-YE SADRA[Internet]. 2018;23(4 (92) ):5-12. Available from: https://sid.ir/paper/89410/en

IEEE: Copy

AHMAD AHMADI, “Limitation of the Modes of Propositions to Necessity and Possibility,” KHERADNAME-YE SADRA, vol. 23, no. 4 (92) , pp. 5–12, 2018, [Online]. Available: https://sid.ir/paper/89410/en

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