If two cosets are equal how can we conclude this
110672
Is it true that $aH = bH$ iff $ab^{-1} \in H$
107234
Is the mean of equal length subsets always equal to the mean of the set?
132125
finding if two binary quadratic forms represent the same integers
77902
If $A,B,$ and $C$ are sets, then $A\times(B-C)$ = $(A \times B)$ $-$ $(A \times C)$.
123090
How to show that disjoint closed sets have disjoint open supersets?
73253
Question About equal signs in Theorems
25553
elementary set theory (cartesian product and symmetric difference proof)
58186
Set theory proof, $\exists g(g\colon A\twoheadrightarrow C)$ or $\exists h(h\colon C\hookrightarrow B)$
32441
How to prove or disprove statements about sets
65744
How can I Prove that H=G or K=G
137607
Difference between left and right cosets
108045
Show that are logically equivalent
120495
Does this correctly interpret the "$\cong$" between groups as "$=$" between sets?
153168
Probability that two sets are disjoint? the same?
134120
Prove statement with a counter-example: For all sets S, T and V, V ∪ (S ∩ T) = (V ∪ S) ∩ T is false
64582
Group covered by finitely many cosets
87830
Relating the union of the power set of a set to the set itself