Proposition 1.36: every subgroup $H\le\pi_1(X,x_0)$ is $p_*\pi_1(X_H,\tilde x_0)$ for some covering space

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Proposition 1.36: every subgroup $H\le\pi_1(X,x_0)$ is $p_*\pi_1(X_H,\tilde x_0)$ for some covering space · Prove2Me