Reversible Logic
Whenever a logical fallacy is committed, the fallacy has its roots in Agrippa's trilemma. All human thought (without Divine revelation) is based on one of three unhappy possibilities. These three possibilities are infinite regression, circular reasoning, or axiomatic thinking. This is known as Agrippa's trilemma. Some have claimed that only logic and math can be known; however, that is not true. Without Divine revelation, neither logic nor math can be known. Science is limited only to pragmatic thinking because of the weakness of human reasoning, which is known as Agrippa's trilemma. Reversible logic, a form of axiomatic thinking, is one of these three unhappy possibilities.
Reversible logic occurs when an argument is put forward as a reason to believe a conclusion, but that argument can be reversed and used as a reason not to believe the same conclusion.
Examples of the Logical Fallacy of Reversible Logic
Sandy: "You are an idiot. Evolution is a scientific fact. All the research points to evolution. There is no evidence for Creation."
Rocky: "The problem with your reasoning is that it is reversible because it is arbitrary. You didn't really bring any reason to believe. Let me show you what I mean. I am aware that what I am now going to say is irrational, but I'm only saying it to reflect what you just said and show that it is arbitrary, therefore irrational. 'You are an idiot. Creation is a scientific fact. All the research points to Creation. There is no evidence for molecules-to-man evolution.' I mean no disrespect. I'm simply pointing out that this kind of logic doesn't prove anything."
Note how Rocky reversed Sandy's logic. Neither one brought any evidence.
Bill Nye arguing against Creation science: "If you could show that somehow the microwave background radiation is not a result of the big bang, come on. Write your paper. Tear it up."
When logic can be reversed, it shows that it is arbitrary. To be arbitrary is to be irrational. We could reverse this logic like this: “If you could show that somehow the microwave background radiation is the result of the big band, come on. Write your paper. Tear it up.” Of course, we would have to reverse the logic completely. The paper would need to be submitted to a Creationist journal and pass peer review, since Bill is implying that Ken would need to submit his paper to a Secular Humanist journal. Bill’s statement neither proves nor disproves the big-bang story.
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Last updated: Sep, 2014
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