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Tuesday, January 5, 2010

Tractatus : The seven basic propositions.

The Tractatus's structure purports to be representative of its internal essence. It is constructed around seven basic propositions :


a.Ogden translation
b.Pears/McGuinness translation

1.
a.The world is everything that is the case.
b.The world is all that is the case.

2.
a.What is the case, the fact, is the existence of atomic facts.
b.What is the case — a fact — is the existence of states of affairs.

3.
a.The logical picture of the facts is the thought.
b.A logical picture of facts is a thought.

4.
a.The thought is the significant proposition.
b.A thought is a proposition with sense.

5.
a.Propositions are truth-functions of elementary propositions.
b.A proposition is a truth-function of elementary propositions.
a.(An elementary proposition is a truth function of itself.)
b.(An elementary proposition is a truth function of itself.)

6.
a.The general form of truth-function is [p, ξ, N(ξ)].
a.This is the general form of proposition.
b.The general form of a truth-function is [p, ξ, N(ξ)].
b.This is the general form of a proposition.

7.
a.Whereof one cannot speak, thereof one must be silent.
b.What we cannot speak about we must pass over in silence.

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