indirect proof
Term sometimes used for reductio ad absurdum .

Philosophy dictionary. . 2011.

Look at other dictionaries:

  • indirect proof — noun see indirect reduction 2 * * * an argument for a proposition that shows its negation to be incompatible with a previously accepted or established premise …   Useful english dictionary

  • indirect proof — an argument for a proposition that shows its negation to be incompatible with a previously accepted or established premise. * * * …   Universalium

  • Indirect — In di*rect , a. [Pref. in not + direct: cf. F. indirect.] [1913 Webster] 1. Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road. [1913 Webster] 2. Not tending to an aim, purpose, or… …   The Collaborative International Dictionary of English

  • Indirect claims — Indirect In di*rect , a. [Pref. in not + direct: cf. F. indirect.] [1913 Webster] 1. Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road. [1913 Webster] 2. Not tending to an aim,… …   The Collaborative International Dictionary of English

  • Indirect demonstration — Indirect In di*rect , a. [Pref. in not + direct: cf. F. indirect.] [1913 Webster] 1. Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road. [1913 Webster] 2. Not tending to an aim,… …   The Collaborative International Dictionary of English

  • Indirect discourse — Indirect In di*rect , a. [Pref. in not + direct: cf. F. indirect.] [1913 Webster] 1. Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road. [1913 Webster] 2. Not tending to an aim,… …   The Collaborative International Dictionary of English

  • Indirect evidence — Indirect In di*rect , a. [Pref. in not + direct: cf. F. indirect.] [1913 Webster] 1. Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road. [1913 Webster] 2. Not tending to an aim,… …   The Collaborative International Dictionary of English

  • Indirect tax — Indirect In di*rect , a. [Pref. in not + direct: cf. F. indirect.] [1913 Webster] 1. Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road. [1913 Webster] 2. Not tending to an aim,… …   The Collaborative International Dictionary of English

  • indirect reduction — noun 1. : the process of reducing a syllogistic argument to the first figure by taking the contradictory of the conclusion as a premise and getting the contradictory of one premise as the new conclusion contrasted with direct reduction 2. also… …   Useful english dictionary

  • Proof — • The establishment of a disputed or controverted matter by lawful means or arguments. Catholic Encyclopedia. Kevin Knight. 2006. Proof     Proof      …   Catholic encyclopedia

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