The whole thrust of Gödel's theorem is the creation of an internal contradiction within mathematical logic. It shows that mathematics can never become powerfull enough to describe itself without paradox creeping in and shattering it's internal logical consistency, leading to statements that can neither be proven nor disproven.
In a similar way, any philosophy that attempts to include it's own workings within itself, also embraces paradox as a natural consequence. So when post modernism describes the way that ideologies shape our interpretation of words, removing the possibility of 'absolute truth', it must include itself as one of those ideologies and thus it's words can have no absolute meaning either.
I love that aspect; paradox always fascinates me. The only way to avoid a paradox is to 'unask' the question; to deny it's very validity.
Take this example:
The statement below is true.
The statement above is false.
Which, if any, do you believe?
Taken individually, there is no reason to question the validity of either of them. But combined, they are nonsense. The real nonsense though, is the question that follows them. It has no possible answers in any 'accepted' logical system.
In a similar way, post modernism's claims that all writing is subjective and can only be understood in terms of one ideology or another, is itself, an ideology, which influences the very words which define it, thus re-influencing itself, ad infinitum; Ourobouros, forever biting it's own tail.
This doesn't make post modernism wrong, per se. But it makes the question of whether post modernism is 'right', and any questions like it, as nonsensical as the question in the example above.
It's a great paradox. A beautiful joke. Shame most of the philosophical writings on the subject aren't as funny! Or am I missing something?
I'll add the link that I added to "Language as control", because I think it belongs here more than there - and I think it's very droll.
PMG