A functional property leads to an unexpected result.
72006
Suppose $f(x)$ is linear i.e. $f(x + y) = f(x) +f(y) $ and monotone on $[-\infty, +\infty]$, then $f(x) = ax$, a real.
44431
The dimension of a subspace is less than dimension of the whole space.
35115
Questions on how to prove that a set of connectives is NOT functionally complete
99257
Dot Product Intuition
67874
var name produces strange result in Javascript
147758
Differentiable but not continuously differentiable.
150139
Derivable product of derivable and non-derivable function, not satisfying product rule
109159
What's the intuition behind $(\exists y)(\mathscr{C}(y)\supset\mathscr{D})\supset((\forall x)\mathscr{C}(x)\supset\mathscr{D})$
78954
Explain a lazy evaluation quirk
84183
Why are properties lost in the Cayley–Dickson construction?
98830
Synthesized property and variable with underscore prefix: what does this mean?
131132
Proofs using vector properties
24378
Strange behavior of MachinePrecision
134440
An unexpected application of non-trivial combinatorics
11806
Functional equation.
136909
Functional Analysis: The rank of an operator detemines if it's a compact operator.
973
Is the property "being a derivative" preserved under multiplication and composition?