Talk:Reductio ad absurdum

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This is not a form of the straw man fallacy. Reductio ad absurdum is a logical proof which attempts to disprove a claim by assuming it as a premise and demonstrating, by arriving at a contradictory conclusion in a valid argument, that it must be false. The principle is that a logically valid syllogism is one where if both premises are true, the conclusion must be true. If the conclusion is false, one or more of the premises must be false. By demonstrating that the second premise is true, the suspect premise must be false. - [[User:Sans Deity|Sans Deity]] 20:48, 30 August 2006 (MST)
 
This is not a form of the straw man fallacy. Reductio ad absurdum is a logical proof which attempts to disprove a claim by assuming it as a premise and demonstrating, by arriving at a contradictory conclusion in a valid argument, that it must be false. The principle is that a logically valid syllogism is one where if both premises are true, the conclusion must be true. If the conclusion is false, one or more of the premises must be false. By demonstrating that the second premise is true, the suspect premise must be false. - [[User:Sans Deity|Sans Deity]] 20:48, 30 August 2006 (MST)
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: Umm... what "second premise"? The article only mentions a single premise, the one that ultimately gets rejected. - [[User:Dcljr|dcljr]] 01:58, 31 August 2006 (MST)

Revision as of 03:58, 31 August 2006

Rolled back to previous version.

This is not a form of the straw man fallacy. Reductio ad absurdum is a logical proof which attempts to disprove a claim by assuming it as a premise and demonstrating, by arriving at a contradictory conclusion in a valid argument, that it must be false. The principle is that a logically valid syllogism is one where if both premises are true, the conclusion must be true. If the conclusion is false, one or more of the premises must be false. By demonstrating that the second premise is true, the suspect premise must be false. - Sans Deity 20:48, 30 August 2006 (MST)

Umm... what "second premise"? The article only mentions a single premise, the one that ultimately gets rejected. - dcljr 01:58, 31 August 2006 (MST)
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