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Top Questions
8
votes
Disproving surjectivity of $f : \Bbb Z \times \Bbb Z \rightarrow \Bbb Z$, $f(u,v) = 3u + 6v$
functions
solution-verification
proof-writing
asked May 1, 2024 at 1:17
math.stackexchange.com
5
votes
Difficulties with Set-Notation in Taxicab Geometry
geometry
metric-spaces
proof-explanation
analytic-geometry
asked 2 days ago
math.stackexchange.com
Top Answers
No answers with score of 5 or more
math.stackexchange.com