Helping Students in Maths and Creating Better Tomorrow

### To Prove or Not to Prove

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## INTRODUCTION

There is a legendary story of the sage who posed the question: â€˜A normal elephant has four legs; if an elephantâ€™s trunk is called a leg, how many legs does it have?â€™ He asked a mathematician, who continued to stare at a pile of paper on which he was scribbling as he muttered: â€˜four and one make fiveâ€™. Next to him a philosopher mused enigmatically and puffed for a few moments on his pipe before observing: â€˜The fact that it isÂ

*called*Â a leg, doesnâ€™t change the fact that it isÂ*not*Â a leg, so the answer is*four*Â â€˜. â€˜Excuse me,â€™ said a passing zoologist, â€˜if a trunk is classified as a leg, clearly this will also apply to the tail, so it hasÂ*six*Â legs, and itâ€™s an insectâ€™. A logician joined the conversation: â€˜AÂ*normal*Â elephant has four legsâ€¦View original post 3,375 more words

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