Write the negation of the following statements.
r : All natural number are integers.

Write the negation of the following statement: Every natural number is an integer.

Write the negation of the following statement: All cats scratch.

Write the negation of the following statements. q:3 -: 5=8.

Write the negation of the following. 11 20

Write the negation of the following statement: All birds sing:

Write the negation of the following statement:-All birds sing.

Write the negation of the following statement: All primes are odd.

Write the negation of the following statement: All complex numbers are real numbers.

Write the negation of the following compound statement: All rational numbers are real and all real numbers are complex.

Write the negation of the following statements : All triangles are not equilateral triangle .