What is an exact duplicate?
61584
When is a duplicate question not a duplicate?
104285
Vanishing close-votes when the original version of a duplicate is deleted?
46533
Duplicates of duplicates should be remapped
53612
Same solution implying row equivalence?
156499
the same and same
111647
How to find questions closed as duplicates via the Data Explorer
100366
What is best way to find duplicate questions?
112077
How to check if a value already exists to avoid duplicates?
40188
Should an exactly equal edit be dropped?
15322
Deleting all duplicates
34883
Remove specific duplicates (all but latest)
133813
Are duplicate chains OK, or just close directly against one canonical?
120006
The use of "exact same"
150060
Determining duplicates in a datatable
55508
Should I copy my answer to a duplicate question to the original question?
10293
How should duplicate questions be handled?
51282
When are two fermions considered identical?