Which one is not related to the nature of Mathematics?
Expanded expression
The nature of Mathematics is characterised by pattern, exactness/precision, and a logical order/sequence of ideas. Mathematics favours condensed, symbolic (not expanded) expression of ideas, so 'expanded expression' is NOT a feature of the nature of Mathematics. Hence option (C) is correct.
Which mathematician said, "Abstraction is the soul of Mathematics, but it is useful only if it encompasses a greater number of specific situations"?
"Measuring angles of different types of quadrilaterals and deriving a principle of mathematics from their sum." It is related to which nature of mathematics?