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Select all of the following true statements if R = real numbers, I = integers, and N = {1, 2, ...}.
> ∅⊂R
> 0∈I
> R⊂N
> N⊂I
> {1, 2, ...}⊆N
> 4∈N
 one year ago
 one year ago
Select all of the following true statements if R = real numbers, I = integers, and N = {1, 2, ...}. > ∅⊂R > 0∈I > R⊂N > N⊂I > {1, 2, ...}⊆N > 4∈N
 one year ago
 one year ago

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Kanwar245Best ResponseYou've already chosen the best response.1
empty set is subset of any set integers contain all positive and negative integers including 0 so 0 does belong in them R is much bigger than N, in fact R is uncountable and N is countable, so R can't be a subset of N Integers contain positive integers which are essentially the natural numbers, so N is a subset of I also {1,2,...} is a subset of N since its N itself 4 doesnt belong in N since N doesnt contain any negative numbers
 one year ago

nincompoopBest ResponseYou've already chosen the best response.0
what have you tried? http://www.kiraportfolio.com/uploads/5/4/9/0/5490072/9958354.jpg?517
 one year ago

jollysailorboldBest ResponseYou've already chosen the best response.0
I was confused about what the different signs meant, but I'm more familiar with them now. Thanks for both of your time. :)
 one year ago

nincompoopBest ResponseYou've already chosen the best response.0
http://tedsider.org/teaching/st/st_notes.pdf
 one year ago

jollysailorboldBest ResponseYou've already chosen the best response.0
so if it asks Find A U B if A = {3, 6, 9, 12} and B = {2, 4, 6, 8, 10}. It would be {6} because U = the set of things that are in at least one member of A. Right?
 one year ago

nincompoopBest ResponseYou've already chosen the best response.0
http://www.youtube.com/watch?v=En8fI2ixepo
 one year ago

jollysailorboldBest ResponseYou've already chosen the best response.0
A U B from A = {3, 6, 9, 12} and B = {2, 4, 6, 8, 10} would be {2, 3, 4, 6, 9, 12} and A n B from A = {3, 6, 9, 12} and B = {2, 4, 6, 8, 10} would be {6} Thanks for you links. :)
 one year ago

nincompoopBest ResponseYou've already chosen the best response.0
∪ = union ∩ = intersection
 one year ago
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