Should I use an equality sign or "iff" for a definition?
7871
Are "if" and "iff" interchangeable in definitions?
111657
Difference between "if x" and "if x is not None"
58611
Use of \relax after \ifnum ... \fi construction
139316
Prettiness of ternary operator vs. if statement
3378
Simplest way to check if two integers have same sign?
156781
Should I write $i$ before or after the imaginary part?
12091
Are if else statement equivalent to logical and && or || and where should I prefer one over the other?
158958
Is it acceptable style to mix equalities and inequalities in one line
139359
Can I use "whether" instead of "if" in this sentence?
31701
Check if two integers have the same sign
1469
Is there a difference between "==" and "is"?
83887
"in case" vs. "if"
79050
Python ( or general programming ). Why use  instead of != and are there risks?
63149
Notation for functions vs. numbers
116442
"Even though" vs. "even if"
42355
Double check $G\sim H$ iff $G≈H$
153943
Is "iff" considered a real word or just an abbreviation?