I'd like to see a picture of this LW cannon!
Rather than waste time doing both your cannon request and Roko's Fallacyzilla request, I just combined them into one picture of the Less Wrong Cannon attacking Fallacyzilla.
...now someone take Photoshop away from me, please.
What does Fallacyzilla have on its chest? It looks like it has "A -> B, ~B, therefore ~A" But that is valid logic. Am I misreading it or did you mean to put "A -> B, ~A, therefore ~B"? That would be actually wrong.
The title says it all.