Which of the following have truth values if universe of discourse consists of all integers ?
A. n∃m (n2 < m)
B. ∃nm (n < m2)
C. ∃n∃m(n2 + m2 = 5)
D. ∃n∃m (n2 + m2 = 6)
E. ∃n∃m (m + n = 4 ∧ n - m = 1)
Choose the correct answer from the options given below :
1
A, B, C Only
2
B, C, E Only
3
C, D, E Only
4
B, D Only