Godwin's law is often cited in online discussions as a deterrent against the use of arguments in the widespread Reductio ad Hitlerum form.

* Reductio ad Hitlerum, a logical fallacy in which an argument is connected to Hitler

* Reductio ad absurdum

* Reductio ad Hitlerum

* Reductio ad absurdum, a form of argument in which a proposition is disproven by following its implications to an absurd consequence

Separately from geometry, the idea of a standard argument pattern is found in the Reductio ad absurdum used by Zeno of Elea, a pre-Socratic philosopher of the fifth century BC.

Another argument which is used frequently by theologians is Reductio ad absurdum.

# REDIRECT Reductio ad absurdum

* Reductio ad Hitlerum

# REDIRECT Reductio ad absurdum

# redirect Reductio ad absurdum

* Reductio ad absurdum

Reductio ad absurdum -- Relevant logic -- Rule of inference

** Reductio ad Hitlerum, a dog Latin phrase

* Contradiction, Reductio ad absurdum –

* Reductio ad absurdum

* Reductio ad Hitlerum

* Reductio ad absurdum – concluding that a proposition is false because it produces a contradiction

** Reductio ad absurdum, a type of logical argument

Reductio ad Hitlerum, also argumentum ad Hitlerum, ( Latin for " reduction to " and " argument to " and dog Latin for " Hitler " respectively ) is a term coined by conservative philosopher Leo Strauss in 1951.

According to Strauss, the Reductio ad Hitlerum is a logical fallacy that consists of trying to refute an opponent's view by comparing it to a view that would be held by Adolf Hitler or the Nazi Party.

According to Strauss, Reductio ad Hitlerum is a form of ad hominem or ad misericordiam, a fallacy of irrelevance, and a variation on reductio ad absurdum, in which a conclusion is suggested based solely on something's or someone's origin rather than its current meaning.

Reductio ad Hitlerum is sometimes called playing the Nazi card, by analogy to playing the race card.

Reductio ad Hitlerum is no more than guilt by association, a form of association fallacy.

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Reductio ad absurdum, reducing to an absurdity, is a method of proof in logic and mathematics, whereby assuming that a proposition is true leads to absurdity ; a proposition is assumed to be true and this is used to deduce a proposition known to be false, therefore the original proposition must have been false.

" That is, it appears to be a Reductio ad absurdum of the arguments of orthodox free-market economists that were in vogue at the time the memo was written.

Craig, et al .. ( 1998: p. 476 ) convey a ' stream of consciousness ' or ' mindstream ' as a procession of mote events of consciousness ( C ) with algebraic notation C < sub > 1 </ sub >, C < sub > 2 </ sub > and C < sub > 3 </ sub > thus to demonstrate the immediacy of nondual awareness through a Reductio ad absurdum argument:

" Used broadly enough, ad Hitlerum can encompass more than one questionable cause fallacy type, by both inverting cause and effect and by linking an alleged cause to wholly unrelated consequences.

The fallacious nature of reductio ad Hitlerum is easily illustrated by identifying X as something that Adolf Hitler or his supporters did promote but which is not considered unethical, such as painting, enjoying classical music, or owning dogs.

By invoking reductio ad Hitlerum, an opponent's view is ridiculed even though the comparison may be relevant.

Another instance of reductio ad Hitlerum is asking a question of the form " You know who else ...?

The phrase reductio ad Hitlerum is first known to have been used in an article written by University of Chicago professor Leo Strauss for " Measure: a critical journal " in Spring 1951 ; it was made famous in a book by the same author published in 1953 Natural Right and History, Chapter II:

Unfortunately, it does not go without saying that in our examination we must avoid the fallacy that in the last decades has frequently been used as a substitute for the reductio ad absurdum: the reductio ad Hitlerum.