Quibbling or sophistical reasoning. See to chop logic, under chop, transitive verb(noun)
The Century Dictionary (Public Domain)
Use "logic-chopping" in a sentence
"Kay, with his lighter-than-air touch, offers a broader critique that views Krugman and Cochrane, Deepwater and Freshwater, as part of the same logic-chopping species: worshippers at the altar of consistency and undoubtedly of confirmation bias, too."
"While the logic-chopping about possible inoffensive meanings is all very well, the odds that that was what students in an American high school were up to are vanishingly small."
"Since the rest of your post is just a bunch of squirming, wiggling, logic-chopping gibberish"