Changes

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<br>
 
<br>
 +
 +
{| align="center" cellspacing="8" width="90%"
 +
|
 +
<math>\begin{array}{lll}
 +
O & = & \{ \text{A}, \text{B} \}
 +
\end{array}</math>
 +
|}
    
{| align="center" cellspacing="8" width="90%"
 
{| align="center" cellspacing="8" width="90%"
 
|
 
|
 
<math>\begin{array}{lllllll}
 
<math>\begin{array}{lllllll}
\text{S} & = &
+
S
 +
& = &
 
\{ &
 
\{ &
 
{}^{\backprime\backprime} [ {}^\langle \text{A} {}^\rangle ]_\text{A} {}^{\prime\prime},
 
{}^{\backprime\backprime} [ {}^\langle \text{A} {}^\rangle ]_\text{A} {}^{\prime\prime},
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& \}
 
& \}
 
\\[10pt]
 
\\[10pt]
\text{I} & = &
+
I
 +
& = &
 
\{ &
 
\{ &
 
{}^{\backprime\backprime} [ {}^\langle \text{A} {}^\rangle ]_\text{A} {}^{\prime\prime},
 
{}^{\backprime\backprime} [ {}^\langle \text{A} {}^\rangle ]_\text{A} {}^{\prime\prime},
12,080

edits