| Part of Speech | Definition | |
| Expression | 1. A mode of demonstration in which proof is given by showing that any other supposition involves an absurdity (reductio ad absurdum), or an impossibility; thus, one quantity may be proved equal to another by showing that it can be neither greater nor less.[Websters]. | |
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Common Expressions: INDIRECT DEMONSTRATION
| Expressions | Definition | ||
| Indirect demonstration | A mode of demonstration in which proof is given by showing that any other supposition involves an absurdity (reductio ad absurdum), or an impossibility; thus, one quantity may be proved equal to another by showing that it can be neither greater nor less. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
