Negation of ‘All triangles are equilateral triangles’ is

1.	Negation of ‘All triangles are equilateral triangles’ is
A.	All triangles are not equilateral
B.	All equilateral triangles are not triangles
C.	There exists a triangle which is not an equilateral triangle
D.	All of these
Answer» D. All of these

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Negation of ‘All triangles are equilateral triangles’ is

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