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I have archived the previous discussions simply because they were all 4 years old or older. But I want to discuss something that was already brought up in those, namely mergers, since Wikipedia has many pages on the same topics. I want to start by merging Proof by contrapositive here, since it is a short article on a topic that relates very closely to this one. What do people think? Thiagovscoelho (talk) 11:47, 20 April 2024 (UTC)[reply]