For classic fallacies, see http://www2.ca.nizkor.org/features/fallacies/  Fallacies are dialectic AntiPattern(s).

''The above is really a rather nifty web. It tends to confuse selling with installing, however. Remember, a wise man once said: "Logic is overrated as a system of thought".'' -- RonJeffries

''With apologies to Churchill, logic is the worst system of thought except all those other systems that have been tried from time to time.'' -- JimPerry

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A lot of FallaciousArgument''''''s have since been discussed on c2.