User talk:2600:1011:B155:7A4D:25CF:C896:3767:3C57

August 2019
Hello, I'm Martin Urbanec. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Segment addition postulate— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Martin Urbanec (talk) 17:45, 22 August 2019 (UTC)
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