demonstration : Idioms & Phrases
Index
amphibious demonstration
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noun an amphibious operation conducted for the purpose of deceiving the enemy and leading him into a course of action unfavorable to him
WordNet
Direct , ∨ Positive , demonstration
(Logic & Math.) , one in which the correct conclusion is the immediate sequence of reasoning from axiomatic or established premises; opposed to
Webster 1913
Indirect , ∨ Negative , demonstration
- (called also
reductio ad absurdum ), in which the correct conclusion is an inference from the demonstration that any other hypothesis must be incorrect.
Webster 1913
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.
Webster 1913
lecture demonstration
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noun presentation of an example of what the lecturer is discoursing about
WordNet
Ostensive demonstration
(Math.) , a direct or positive demonstration, as opposed to the apagogical or indirect method.