why i include symmetric property also ?

due to ( (A,B), (C,D) ) it means A ≤ B and C ≤ D holds

i write it as C ≤ D and A ≤ B holds ===> ( (C,D),(A,B) ) should be in R

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eyeamgj
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in Set Theory & Algebra
Oct 17, 2018

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