Topological Status of Magnitude in Meta-language

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Meta-language (Lm) is a semantic theory of truth built under one to one topological transformation. Different from natural language (Ln), Lm has a structure of isomorphism ensuring the gap between Lo and Lm in propositional logic, particularly predicative logic, due to the use of the logical and extra-logical term. However, the lines between them are unclear since their relation cannot be proved by deductive validity.  In other words, quantifier invariably becomes a foundation limiting logical operation via the relation of logical constants. The problem is that the logical concept introduced here is far from extension logic. Two notations cannot be distinguished if they have similar extensions, and even if their intentions are different. Rather than adding more notations, I will introduce topology of magnitude as the shift from a quantifier to a qualifier. The essential issue in this shift will be focused on the concept of satisfaction. In light of that, the lecture will be divided into three sections:

1. Introduction to Meta-language
2. The concept of satisfaction
3. The topology of magnitude

by Fitriadi K. (Head of Philosophical Logic  at Ze-No)
Yogyakarta | 30 December 2018, 06, and 13  January 2019
Time: 15.00 – 17.00 WIB
Venue: Sengkan RT 07 RW 059 Gang Nakula no 16 Joho Condongcatur, Depok, Sleman Yogyakarta 55281 (Ze-No Office)