The form of elementary propositions in TLF


What is an elementary proposition?

4.22 An elementary proposition consists of names. It is a nexus, a con- catenation, of names. This obviously parallels Wittgenstein’s thesis about the nature of states of affairs: 2.03 In a state of affairs objects fit into one another like the links of a chain.

What does Wittgenstein mean by proposition?

A proposition has sense when it offers a determinate picture or model of some possible state of affairs, of a possible fact. If the structure shown in the proposition is shared by an existing state of affairs, the proposition is true, otherwise false.

What is the meaning of Tractatus?

handled, managed. exercised, practised, transacted, performed.

What is atomic proposition?

An atomic proposition is a statement or assertion that must be true or false. Examples of atomic propositions are: “5 is a prime” and “program terminates”. Propositional formulas are constructed from atomic propositions by using logical connectives.

What are the constituents of proposition according to Wittgenstein?

The core tenets of Wittgenstein’s logical atomism may be stated as follows: (i) Every proposition has a unique final analysis which reveals it to be a truth-function of elementary propositions (Tractatus 3.25, 4.221, 4.51, 5); (ii) These elementary propositions assert the existence of atomic states of affairs (3.25, …

What are propositional forms?

Definition. A propositional form is an expression involving logical variables and con- nectives such that, if all the variables are replaced by propositions then the form becomes a proposition. Example 4 p ∧ (q ∨ r) is a propositional form with variables p, q and r.

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What are the types of proposition in logic?

There are five types in propositional logic:

  • Negations.
  • Conjunctions.
  • Disjunctions.
  • Conditionals.
  • Biconditionals.