Results that seem trivial, but are not
94180
"It looks straightforward, but actually it isn't"
137109
Evaluating a summation of inverse squares over odd indices
112491
Finding counterexamples for infinite series.
38820
Negating the Legendre's conjecture
26659
Word meaning something is technically accurate but overly simplistic
90944
Why do we want probabilities to be *countably* additive?
155721
would adding the probabilities in a dataset be more accurate than the individual results?
101064
Showing the triviality of homomorphisms
52976
Product rule intuition
98831
AND OR causing more results to appear than should
95717
Same eigenvalues, but not similar
82823
Attractive Boxed Equations
157748
Why should the equality of mixed partials be "intuitively obvious"?
43277
Confused by (apparent) inconsistent precision
85204
Winding numbers are continuous: The proof was too easy
83778
An incorrect proof by exhaustion
126261
Extraneous solution from substituting in equations