Disproof By Fallacy

From http://www.don-lindsay-archive.org/skeptic/arguments.html

Disproof By Fallacy

If a conclusion can be reached in an obviously fallacious way, then the conclusion is incorrectly declared wrong. For example,

"Take the division 64/16. Now, canceling a 6 on top and a six on the bottom, we get that 64/16 = 4/1 = 4."

"Wait a second! You can't just cancel the six!"

"Oh, so you're telling us 64/16 is not equal to 4, are you?"

In this case, an absurd argument leads to a normal conclusion. Note that this is different from ReductioAdAbsurdum?, where your opponent's argument can lead to an absurd conclusion: 60/66 = 0/6 = 0 (after cancelling those pesky 6's).

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See FallaciousArgument