Math
posted by Melissa .
The statements p → q and q → r are given. If we know q is true, is p necessarily true? Explain.

again? What do you know about converses?
p→q
but what does that say about q→p ?
Respond to this Question
Similar Questions

chemistry
Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? 
Philosophy  Logic
I have a few logic questions that I am having difficult with and would be greatful for any insight... #1 I need to know if this is a real or apparent argument. A: I saw Bob with Mary last night. B: You saw Frank, Bob's identical twin, … 
geometry
Given that BD Û AC, which of the following statements is NOT necessarily true? 
Reading
can you help me thank you: 2.Detecting bias is one of the major keys to effective critical thinking and reading. True or False, I believe True 3.Deductively valid arguments can guarantee their conclusions. True or False, I believe … 
Math
If you are given a conditional statement that you know is true, can you predict whether i) the converse is true? 
Physics
Pease evaluate the statements by choosing from these three statements Always true: the statement is true under any circumstances Not necessarily true: the statement may be true in some circumstances, but not in others Always false: … 
Math
please show me how to do this... A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work.Sn: 12 + 42 + 72 + . . . + (3n  2)2 = n(6n^23n1)/2 … 
Math
1.a. 123five + 34five b. 1010two  101two c. 23five * 34five c. What is the contrapositive of r â†’ q? 
Math
1.Suppose we are given logic statements p, q, and r. a. If p → q and p → r, may we conclude that q → r? 
Math
The statements p â†’ q and q â†’ r are given. If we know q is true, is p necessarily true?