Why must the base and argument of a logarithm be positive?
23128
Why aren't logarithms defined for negative $x$?
124396
Properties of logs. Why does the log of a power, does the exponent become a coefficient?
83718
How to transform negative values to logarithms?
111612
When log is written without a base, is the equation normally referring to log base 10 or natural log?
59776
Intuitive use of logarithms
39459
Why is '' > 0 True in Python 2?
85186
Basic demonstration concerning the natural logarithm...
127605
What are some methods to show $\log$ is not a rational function?
12401
Is it standard to say $-i \log(-1)$ is $\pi$?
157751
Relationship between Partial Harmonic Sum and Logarithm.
51947
Is the Riemann integral of a strictly positive function positive?
128953
Why $\frac{\log(x)}{\log(y)}$ gives the same value as $\frac{\ln(x)}{\ln(y)}$
113526
Why intuitively does $\mathbb E(\frac d {d\theta}\log p_\theta(x))=0$?
136185
How $a^{\log_b x} = x^{\log_b a}$?
157733
Are positive real numbers $x,y$ allowed to be taken out during this proof?
65314
Interaction term positive while components are negative?
123397
Does the logarithm function grow slower than any polynomial?