What is exactly an element a[i] in mathematica?
4612
What is the distinction between DownValues, UpValues, SubValues, and OwnValues?
41164
How do I find the index of an element in a list in Racket?
126379
What do square brackets, "[]", mean in function/class documentation?
143283
What does A a() mean?
44689
Explicit bijection between $[0,1)$ and $(0,1)$
123419
Abstract algebra: homomorphism and an element of a prime order
5639
No \xrightrightarrow[a]{b}?
77764
Is "$a + 0i$" in every way equal to just "$a$"?
45606
Is there a bijection from [0,1] to R?
105788
Why is `[` a shell builtin and `[[` a shell keyword?
45216
Cardinality of $[0,1]$
130686
How is $3\pi-10$ element of $[-\pi/2,\pi/2]$?
89056
Intuitive understanding of ideal $I = (x+1,x^2+1)$ and the quotient $\Bbb Z[x]/I$
130418
Is ${\{\emptyset,\{\emptyset\},\{\{\emptyset\}\},\{\{\{\emptyset\}\}\},...\}} $ a set?
42809
How can we show that $(I-A)$ is invertible?
27742
What does "${-#*i}" != "$-" mean?
131946
Order of an Element Under a Homomorphism