199k views
4 votes
Write the following statements as mathematical implications:

(c) "it is necessary that positive numbers are > 7.

(d) to show a number is +, it is sufficient to show it is >10.

1 Answer

4 votes

Lets say that

p: x is a positive numbre

q: x > 7

r : x > 10

Then,

(C) if 'p', then 'q' (if a number is positive, then it is >7)

p》q

(D) if 'r', then 'p' (if a number is >10 then it is positive)

r》p

User Ritu Suman Mohanty
by
8.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories