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MyWikiBiz, Author Your Legacy — Thursday September 18, 2025
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{| align="center" cellpadding="4" style="text-align:left" width="90%"
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{| align="center" cellpadding="8" width="90%"
|  
+
|
|-
+
<math>\begin{array}{lll}
| <math>[| F^\$ (p, q) |]</math>
+
[| F^\$ (p, q) |]
| <math>=\!</math>
+
& = & [| \underline{(}~p~,~q~\underline{)}^\$ |]
| <math>[| \underline{(}~p~,~q~\underline{)}^\$ |]</math>
+
\\[6pt]
|-
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& = & (F^\$ (p, q))^{-1} (\underline{1})
| &nbsp;
+
\\[6pt]
| <math>=\!</math>
+
& = & \{~ x \in X ~:~ F^\$ (p, q)(x) ~\}
| <math>(F^\$ (p, q))^{-1} (\underline{1})</math>
+
\\[6pt]
|-
+
& = & \{~ x \in X ~:~ \underline{(}~p~,~q~\underline{)}^\$ (x) ~\}
| &nbsp;
+
\\[6pt]
| <math>=\!</math>
+
& = & \{~ x \in X ~:~ \underline{(}~p(x)~,~q(x)~\underline{)} ~\}
| <math>\{~ x \in X ~:~ F^\$ (p, q)(x) ~\}</math>
+
\\[6pt]
|-
+
& = & \{~ x \in X ~:~ p(x) + q(x) ~\}
| &nbsp;
+
\\[6pt]
| <math>=\!</math>
+
& = & \{~ x \in X ~:~ p(x) \neq q(x) ~\}
| <math>\{~ x \in X ~:~ \underline{(}~p~,~q~\underline{)}^\$ (x) ~\}</math>
+
\\[6pt]
|-
+
& = & \{~ x \in X ~:~ \upharpoonleft P \upharpoonright (x) ~\neq~ \upharpoonleft Q \upharpoonright (x) ~\}
| &nbsp;
+
\\[6pt]
| <math>=\!</math>
+
& = & \{~ x \in X ~:~ x \in P ~\nLeftrightarrow~ x \in Q ~\}
| <math>\{~ x \in X ~:~ \underline{(}~p(x)~,~q(x)~\underline{)} ~\}</math>
+
\\[6pt]
|-
+
& = & \{~ x \in X ~:~ x \in P\!-\!Q ~\operatorname{or}~ x \in Q\!-\!P ~\}
| &nbsp;
+
\\[6pt]
| <math>=\!</math>
+
& = & \{~ x \in X ~:~ x \in P\!-\!Q ~\cup~ Q\!-\!P ~\}
| <math>\{~ x \in X ~:~ p(x) + q(x) ~\}</math>
+
\\[6pt]
|-
+
& = & \{~ x \in X ~:~ x \in P + Q ~\}
| &nbsp;
+
\\[6pt]
| <math>=\!</math>
+
& = & P + Q ~\subseteq~ X
| <math>\{~ x \in X ~:~ p(x) \neq q(x) ~\}</math>
+
\\[6pt]
|-
+
& = & [|p|] + [|q|] ~\subseteq~ X
| &nbsp;
+
\end{array}</math>
| <math>=\!</math>
  −
| <math>\{~ x \in X ~:~ \upharpoonleft P \upharpoonright (x) ~\neq~ \upharpoonleft Q \upharpoonright (x) ~\}</math>
  −
|-
  −
| &nbsp;
  −
| <math>=\!</math>
  −
| <math>\{~ x \in X ~:~ x \in P ~\nLeftrightarrow~ x \in Q ~\}</math>
  −
|-
  −
| &nbsp;
  −
| <math>=\!</math>
  −
| <math>\{~ x \in X ~:~ x \in P\!-\!Q ~\operatorname{or}~ x \in Q\!-\!P ~\}</math>
  −
|-
  −
| &nbsp;
  −
| <math>=\!</math>
  −
| <math>\{~ x \in X ~:~ x \in P\!-\!Q ~\cup~ Q\!-\!P ~\}</math>
  −
|-
  −
| &nbsp;
  −
| <math>=\!</math>
  −
| <math>\{~ x \in X ~:~ x \in P + Q ~\}</math>
  −
|-
  −
| &nbsp;
  −
| <math>=\!</math>
  −
| <math>P + Q ~\subseteq~ X</math>
  −
|-
  −
| &nbsp;
  −
| <math>=\!</math>
  −
| <math>[|p|] + [|q|] ~\subseteq~ X</math>
  −
|-
  −
| &nbsp;
   
|}
 
|}
  
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