ANSWERS: 1

It doesn't make enough sense to be called valid or invalid. "Meaningless" is an adjective better aimed at this selfpublished document by a spammer who regularly promotes his work by asking questions like this on internet forums. For a more balanced look at Goedel's Theorm, read Douglas Hofstater's "Goedel Escher Bach": amongst all the other junk, Douglas manages to come up with a neat and easytounderstand outline of the proof using what he calls "Typographical Number Theory" which is just number theory using only a very small number of rules and symbols.
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