User contributions for Peter F. Patel-Schneider
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1 January 2020
30 December 2019
- 21:4221:42, 30 December 2019 diff hist +381 Talk:Conditional restrictions →negated conditions: new section
23 November 2017
- 14:3214:32, 23 November 2017 diff hist +375 N User:Peter F. Patel-Schneider my interests current Tag: Visual edit: Switched