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8 lines
430 B
8 lines
430 B
\item \self In the following list tick all formulas that are axioms of the theory of equalities and uninterpreted functions $\mathcal{T}_{EUF}$.
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\begin{itemize}
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\item[$\square$] $\forall x\, (x=x)$
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\item[$\square$] $\forall x\, \forall y\, (x=y \lor y=x)$
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\item[$\square$] $\forall x\, \forall y\, \forall z\, (x=y \land y=z \imp x=z)$
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\item[$\square$] $\forall x\, \forall y\, (f(x)=f(y) \imp x=y)$
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\end{itemize}
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