What is truth-conditional theory?
The truth-conditional theory of meaning states that the meaning of a proposition is given by its truth conditions. Because almost all introductions to logic use truth-theoretic semantics, the best introductions to this area are introductory logic textbooks which do so.
What is a concept for Frege?
According to Frege, any sentence that expresses a singular thought consists of an expression (a proper name or a general term plus the definite article) that signifies an Object together with a predicate (the copula “is”, plus a general term accompanied by the indefinite article or an adjective) that signifies a …
What did Gottlob Frege discover?
In effect, Frege invented axiomatic predicate logic, in large part thanks to his invention of quantified variables, which eventually became ubiquitous in mathematics and logic, and which solved the problem of multiple generality.
What is truth-conditional semantics examples?
Truth-conditional theories of semantics attempt to define the meaning of a given proposition by explaining when the sentence is true. So, for example, because ‘snow is white’ is true if and only if snow is white, the meaning of ‘snow is white’ is snow is white.
What is non truth-conditional meaning?
A non-truth-conditional conventional implicature does not enter into the truth conditions of the use of a sentence; its truth or falsity is not relevant to the truth or falsity of the sentence use implicating it.
What was Gottlob Frege contribution to modern logic?
In the late 1880s and early 1890s Frege developed new and interesting theories regarding the nature of language, functions and concepts, and philosophical logic, including a novel theory of meaning based on the distinction between sense and reference.
What does Frege mean by sense and reference?
Frege justified the distinction in a number of ways. Sense is something possessed by a name, whether or not it has a reference. For example, the name “Odysseus” is intelligible, and therefore has a sense, even though there is no individual object (its reference) to which the name corresponds.
How do you write truth conditions?
For example, we write the truth-condition of ( ) as follows: ( ) “There is a circle in a square” is true iff there is a circle in a square. More generally, the truth-condition of any declarative sentence φ can be written as: ( ) “φ” is true iff φ.
What’s the difference between a truth value and a truth condition?
The statement isn’t inherently true or false. It depends on the conditions that exist when you make the statement. Truth value refers to a statement that is always true or false, regardless of the conditions.
What is a non truth?
Nontruth meaning That which is not true; a lie or falsehood. noun.
Is non truth a word?
noun. An untruth; a lie, a falsehood.
Was Gottlob Frege religious?
Though Frege was married, his wife died during World War I, leaving him no children of his own. There was an adopted son, Alfred, however, who became an engineer. Frege was, in religion, a liberal Lutheran and, in politics, a reactionary.
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