please delete Also I am unable to figure out two reopen votes on this question.

another delete needed

[ SmokeDetector | MS ] Link at beginning of answer (34): Alternative notation for inverse function by TooZni on math.SE

[ SmokeDetector | MS ] Few unique characters in body, no whitespace in body, no whitespace in title, potentially bad keyword in body, repeating characters in body, +1 more (396): aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ✏️ by user123 on math.SE

[ SmokeDetector | MS ] Few unique characters in body, no whitespace in body, no whitespace in title, potentially bad keyword in body, repeating characters in body, +1 more (396): aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ✏️ by user123 on math.SE

[ SmokeDetector | MS ] Link at beginning of body (42): What is this set mean? by Leonard Tang on math.SE