My Math Forum Someone helps me out please.

 May 15th, 2017, 10:36 PM #1 Newbie   Joined: May 2017 From: Penang Posts: 4 Thanks: 0 Someone helps me out please. 7. a) Let R be the relation on the set of all people such that (a, b) ∈ R if person a is a parent of person b. Give an intuitive characterization of when an ordered pair in the relation R3 [3 marks] b) List 8 ordered pairs in the equivalence relation produced by the partition {a,b}, {c, d}, {e, f, g} of the set {a, b, c, d, e, f, g}. [2 marks]
May 15th, 2017, 11:05 PM   #2
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Quote:
 Originally Posted by franklee809 7. a) Let R be the relation on the set of all people such that (a, b) ∈ R if person a is a parent of person b. Give an intuitive characterization of when an ordered pair in the relation R3 [3 marks]
What's more intuitive than a is the parent of b? Is this question copied correctly?

May 16th, 2017, 01:07 AM   #3
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Quote:
 Originally Posted by Maschke What's more intuitive than a is the parent of b? Is this question copied correctly?
This is the original question.
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 May 16th, 2017, 10:09 AM #4 Senior Member   Joined: Aug 2012 Posts: 1,700 Thanks: 448 Ah. $R^3$. So what are your thoughts? Thanks from Joppy
May 16th, 2017, 10:30 PM   #5
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 Originally Posted by Maschke Ah. $R^3$. So what are your thoughts?
No idea how to solve with it

 May 18th, 2017, 12:42 PM #6 Math Team   Joined: Jan 2015 From: Alabama Posts: 2,940 Thanks: 794 I think you would have got help faster if you had simply said "I do not know what $aR^3b$ means. If aRb and bRc then $aR^2c$. If aRb and bRc and cRd then $aR^3c$. If aRb and bRc, that is, a is the parent of b and b is the parent of c, what is the relation between a and c? Thanks from franklee809

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