Task 1. Explain which of the sentences are logical statements: (a) 2 is a prime number or it is not that 3 is odd number. (b) Why logic is important? (c) 4 is positive number and 3 is negative number. \text { If } 3 \cdot 2=1 \text { then } \cos (2021)>\frac{1}{2} \text {. }

Fig: 1

Fig: 2

Fig: 3

Fig: 4

Fig: 5