Timeline for What are your favorite instructional counterexamples?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Dec 19, 2022 at 15:38 | history | edited | Martin Sleziak | CC BY-SA 4.0 |
http -> https (the question was bumped anyway)
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| Feb 17, 2019 at 12:44 | comment | added | Goldstern | The Ackermann function also serves as a counterexample to the following false statement: "A total function is primitive recursive iff its graph (considered as a relation) is primitive recursive". (Here I call a relation pr.rec. iff its characteristic function is pr.rec.) | |
| Feb 5, 2018 at 4:48 | history | edited | მამუკა ჯიბლაძე | CC BY-SA 3.0 |
mathjax separation
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| S Feb 4, 2015 at 6:55 | history | answered | Jing Zhang | CC BY-SA 3.0 | |
| S Feb 4, 2015 at 6:55 | history | made wiki | Post Made Community Wiki by Jing Zhang |