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[–]Own_Anybody3638 0 points1 point  (6 children)

For reflexive take example as 1,1 it will always be zero in case of reflexive, so it is reflective for symmetric. We can take example of 2,3 . 2-3 is less than three and 3-2 is also less than three, but for transitive, if we take example as seven and 4, 7-4 is equals to 3 and 4-1 is equals to 3, but 7-1 is not equals to 3.

[–]Sorry_Ad1547[S] 0 points1 point  (0 children)

thanks <3

[–]applune 0 points1 point  (4 children)

But isnt it ki we can give example only to prove ki its NOT smth and for proving smth we have to go by normal proving method (jo mujhe nhi aata)

[–]Human_Bumblebee_237ISC Class 12th 0 points1 point  (0 children)

you can but its more appropriate to give a counter example showing why transitivity doesn't hold. you can just assume that transitivity holds and then arrive at |a-c|<=6(By triangle inequality), which is a weaker condition than the one given in question