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 May 2 answered $\text{Alt}\,(\phi_1 \otimes \phi_2 \otimes \phi_3)$ May 2 answered Why is a “reverse surjection” incorrect? May 2 answered examples of a special problem in linear transformation May 2 answered Prove that left and right inverses are equal May 2 answered Can mathematical inductions work for other sets? May 1 answered What is a basis for the vector space $\Bbb{C}^{n}$ (a complex vector space)? May 1 answered Compute $\lim_\limits{n\to\infty}a_n$ where $a_{n+2}=\sqrt{a_n.a_{n+1}}$ May 1 answered $5x\equiv3\pmod3$ Apr 30 answered Zeroes of sin(x) Apr 28 answered Point in four dimensions Apr 28 answered True or false: sets, subsets, and topologies in $\mathbb R$ Apr 28 asked What questions are independent from the axiom of constructibility? Apr 26 answered Proving $AD_1A^{-1}=D_2$ Apr 26 answered $b^{\frac{m}{n}}=(b^{\frac{1}{n}})^m=(b^m)^{\frac{1}{n}}$ except $b$ is not negative when $n$ is Even. Apr 25 answered Up to isomorphism Apr 25 answered $f:[a,b] \to R$ is continuous and $\int_a^b{f(x)g(x)dx}=0$ for every continuous function $g:[a,b]\to R$ Apr 25 answered Why are we defining the norms on certain vector spaces the way they are? Apr 24 answered Murder at Hilbert's Hotel! Apr 21 answered How to solve the derivative of $b^x$ using the defintion Apr 20 answered Analog clock with same hands - sometimes one can't tell time