Why if $a =b$ then $a = 0$ is not a correct statement
13012
Why can a = b imply 2 = 1?
126174
What is the difference between != and  operators?
115506
What's wrong with this demonstration? (1 = -1)
39459
Why is '' > 0 True in Python 2?
142026
Show that $A∩B∩C= ∅$ is only true when $A∩B = ∅, A∩C = ∅$ or $B∩C = ∅$ or show a counterexample.
44596
If $A$ is a square matrix and $A^2 = 0$ then $A=0$. Is this true? If not, provide a counter-example.
86030
Prove or disprove - If a divides b and b divides a does a=b
72092
If $A^2 = I$, $B^2=I$ and $(AB)^2=I$, then $AB = BA$
84626
Why in these matrices are $AB=BA$ not equal? What is the logic behind them?
33705
Is $0$ a natural number?
140086
Does $3-4+1$ equal $0$ or $-2$.. or maybe $2$?
79127
How does "if(new Integer(1) == new Integer(1))" work in Java?
104124
Prove or disprove: $A-(B-C) = (A-B)-C$
16264
Why does $x$ divided by zero not equal $x$?
15908
Is it true that $\int_{a}^b h^2=0\implies h=0$?
55373
The difference between 0. and 0
70585
Why does Assuming[x > 0, TrueQ[x > 0]] return False?