Assertion: argument's form | /r/CapableOf | doubt the laws of logic
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text: This will then mean that such arguments are ineffective against very radical forms of skepticism, which doubt the laws of logic, and/or which refuse to accept any starting point as uncontentious; and it will also mean that they may be effective against a skeptic who is prepared to accept some starting point, but then ineffective against another skeptic who is not.