Pp

For example, once negation has been introduced, we must understand it both in propositions of the form 'Pp' and in propositions like 'P (p C q)', '(dx).

Tractatus Logico-Philosophicus Ludwig Wittgenstein 1920

But the use of this sign is the result of arbitrary convention and it would be quite possible to choose a simple sign instead of '+c'; in 'Pp' however, 'p' is not an affix but an argument: the sense of

Tractatus Logico-Philosophicus Ludwig Wittgenstein 1920

'Pp' cannot be understood unless the sense of 'p' has been understood already.

Tractatus Logico-Philosophicus Ludwig Wittgenstein 1920

But in 'Pp' it is not 'P' that negates, it is rather what is common to all the signs of this notation that negate p. That is to say the common rule that governs the construction of 'Pp', 'PPPp',

Tractatus Logico-Philosophicus Ludwig Wittgenstein 1920

Therefore, in the proposition 'Pp', when it is true, 'p' is a false proposition.

Tractatus Logico-Philosophicus Ludwig Wittgenstein 1920

3.3441 For instance, we can express what is common to all notations for truth-functions in the following way: they have in common that, for example, the notation that uses 'Pp' ( 'not p') and 'p C g' ( 'p or g') can be substituted for any of them.

Tractatus Logico-Philosophicus Ludwig Wittgenstein 1920

"Pp states that he will not engage with me whist engaging with me - such is the level of melunit logic."

On Thursday, the Legg report will be published along with... 2008

Pp states that he will not engage with me whist engaging with me - such is the level of melunit logic. logdon

On Thursday, the Legg report will be published along with... 2008

Pp, when you say you are going to 'do something useful', do you mean compiling lists like this:

On Thursday, the Legg report will be published along with... 2008

Pp, you are a senior poster on this blog - that you are impressed with Dixon's awful proclamations is sad indeed.

On Thursday, the Legg report will be published along with... 2008