We will prove (Hausdorff_space R R_standard_topology T1_space R R_standard_topology) (Hausdorff_space R R_upper_limit_topology T1_space R R_upper_limit_topology) (Hausdorff_space R R_K_topology T1_space R R_K_topology) (¬ Hausdorff_space R R_finite_complement_topology T1_space R R_finite_complement_topology) (¬ Hausdorff_space R R_ray_topology ¬ T1_space R R_ray_topology).
Apply andI to the current goal.
Apply andI to the current goal.
Apply andI to the current goal.
Apply andI to the current goal.
Apply andI to the current goal.
An exact proof term for the current goal is R_standard_topology_Hausdorff.
An exact proof term for the current goal is R_standard_topology_T1.
Apply andI to the current goal.
An exact proof term for the current goal is R_upper_limit_topology_Hausdorff.
An exact proof term for the current goal is R_upper_limit_topology_T1.
Apply andI to the current goal.
An exact proof term for the current goal is R_K_topology_Hausdorff.
An exact proof term for the current goal is R_K_topology_T1.
Apply andI to the current goal.
An exact proof term for the current goal is R_finite_complement_not_Hausdorff.
An exact proof term for the current goal is (finite_complement_topology_T1 R).
We will prove ¬ Hausdorff_space R R_ray_topology ¬ T1_space R R_ray_topology.
Apply andI to the current goal.
An exact proof term for the current goal is ray_topology_not_Hausdorff.
An exact proof term for the current goal is ray_topology_not_T1.