Mathematics
Mathematics, 23.06.2020 19:01, sammysosa121832

(a) Explain what is wrong with the following ‘proof’:Statement:IfRis symmetric and transitive, thenRis reflexive."Proof":SupposeRis symmetric and transitive. Symmetric means thatx R yimpliesy R x. We apply transitivity tox R yandy R xto givex R x. Therefore, Ris reflexive.(b) Give an example of a relation on a set that is both symmetric and tran-sitive, but not reflexive

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 20.06.2019 18:02, taibamah
What is the equation of the line shown in this graph?
Answers: 1
image
Mathematics, 21.06.2019 14:30, Heyitsbrandi
Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.
Answers: 2
image
Mathematics, 21.06.2019 16:50, Jfhehwnxodin8398
Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?
Answers: 2
image
Mathematics, 21.06.2019 17:00, Geo777
Suppose a pendulum is l meters long. the time, t,in seconds that it tales to swing back and forth once is given by t=2.01
Answers: 1
Do you know the correct answer?
(a) Explain what is wrong with the following ‘proof’:Statement:IfRis symmetric and transitive, thenR...

Questions in other subjects: