BS (4 Years) Information Technology (NEW COURSE) Second Semester Previous Past Papers and Solutions

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BS IT Punjab University Past Papers Second Semester
Discrete Structures second semester past paper 2022 punjab university with solutions

Q.1. Answers:

1:
A symmetric relation is a binary relation where if element 'a' is related to 'b', then 'b' is also related to 'a'. let's consider a set A = {1, 2, 3}.
If we have a symmetric relation R on A, it means that if (a, b) is in R, then (b, a) must also be in R.

Example:
R = {(1, 2), (2, 1), (1, 3), (3, 1)} In this example, if (1, 2) is in R, then (2, 1) is also in R. The same holds for (1, 3) and (3, 1).
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