98.8.0.1

\begin{equation} \label{artin-equation-tangent-space} T\mathcal{F}_{\mathcal{X}, k, x_0} = \left\{ \begin{matrix} \text{isomorphism classes of morphisms}
\\ x_0 \to x\text{ over }\mathop{\mathrm{Spec}}(k) \to \mathop{\mathrm{Spec}}(k[\epsilon ])
\end{matrix} \right\} \end{equation}

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