राष्ट्रीय शिक्षा प्रणाली एवं भारतीय मानस (श्री अरविन्द - एकात्म शिक्षा दर्शन)

64 NATIONAL EDUCATION after a varying interval of darkness. I have already ascertained that wherever there is smoke, there is fire. I have induced that general rule from an observation of facts. I deduce that in a particular case of smoke, there is a fire behind. I infer that a man must have let it from the improbabi- lity of any other cause under the particular circumstances. I cannot deduce it because fire is not always created by human kindling ; it may be volcanic or caused by a stroke of lightening or the sparks from some kind of friction in the neighbourhood. There are three elements necessary to correct reasoning: first, the correct- ness of the facts or conclusions I start from, secondly, the completeness as well as the accuracy of the data I start from, thirdly, the elimination of other possible or impossible conclu-