Je Tichého logika logikou? (O vztahu logické analýzy a dedukce)
| Title in English | Is Tichý's logic a logic? On the relation of logical analysis and deduction |
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| Authors | |
| Year of publication | 2012 |
| Type | Article in Periodical |
| Magazine / Source | Filosofický časopis |
| MU Faculty or unit | |
| Citation | |
| Field | Philosophy and religion |
| Keywords | Tichý; transparent intensional logic; entailment; deduction; logical analysis |
| Description | It is sometimes objected that Tichý's logic is not logic because it underestimates deduction – providing only logical analysis of expressions. I argue that the opinion is wrong. First of all, detection of valid arguments (which are formulated in a language) needs logical analysis ascertaining which semantical entities, Tichý's constructions, are involved. Entailment is defined as an extralinguistic affair relating those constructions. Validity of arguments (composed of propositional constructions) stems from properties of constructions. Such properties are displayed by derivation rules of Tichý's system of deduction. |
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