English: So, this is (1, 1), (1, 2), (2, 3), (2, 4) does not matter, this is r and the operation that is applied is on r, which is called, let us say you change it to (C, D) on r. So, what it returns is s with these values (C, D) this is the same s, so it simply copies on (1, 1), (1, 2) there is nothing more, but what it has done is that A has been changed to C and B has been changed to D. Rename of the operation has been done.
Telugu: కాబట్టి, ఇది (1, 1), (1, 2), (2, 3), (2, 4) పట్టింపు లేదు, ఇది r మరియు r పై ఆపరేషన్ ను వర్తింపచేయండి, దీనిని పిలుస్తారు, మీరు దానిని r ఫై (C, D) గా మార్చామని పరిగణించండి.