Theorem. (t13_interva1)
∀k2_setfam_1 : setsetset, ∀k2_xboole_0 : setsetset, ∀esk7_4 : setsetsetsetset, ∀esk8_4 : setsetsetsetset, ∀k8_subset_1 : setsetsetset, ∀esk23_2 : setsetset, ∀k3_xboole_0 : setsetset, ∀v1_subset_1 : setsetprop, ∀esk22_1 : setset, ∀k1_xboole_0 : set, ∀esk21_1 : setset, ∀esk20_0 : set, ∀esk19_1 : setset, ∀esk13_1 : setset, ∀o_0_0_xboole_0 : set, ∀esk18_0 : set, ∀esk12_1 : setset, ∀esk1_0 : set, ∀esk3_0 : set, ∀esk4_0 : set, ∀esk5_0 : set, ∀esk2_0 : set, ∀esk16_1 : setset, ∀esk17_1 : setset, ∀esk6_2 : setsetset, ∀k9_subset_1 : setsetsetset, ∀k2_interva1 : setsetsetset, ∀m1_interva1 : setsetprop, ∀k1_interva1 : setsetsetset, ∀esk9_3 : setsetsetset, ∀esk10_3 : setsetsetset, ∀esk11_3 : setsetsetset, ∀a_3_0_interva1 : setsetsetset, ∀esk14_4 : setsetsetsetset, ∀r1_tarski : setsetprop, ∀esk15_6 : setsetsetsetsetsetset, ∀k4_subset_1 : setsetsetset, ∀r2_hidden : setsetprop, ∀a_5_1_interva1 : setsetsetsetsetset, ∀m1_subset_1 : setsetprop, ∀k1_zfmisc_1 : setset, ∀v1_xboole_0 : setprop, (∀X6 X4 X1 X3 X5 X2, (v1_xboole_0 X2False)(r1_tarski (esk15_6 X1 X2 X3 X4 X5 X6) (k4_subset_1 X2 X4 X6)False)m1_subset_1 X6 (k1_zfmisc_1 X2)m1_subset_1 X5 (k1_zfmisc_1 X2)m1_subset_1 X4 (k1_zfmisc_1 X2)m1_subset_1 X3 (k1_zfmisc_1 X2)r2_hidden X1 (a_5_1_interva1 X2 X3 X4 X5 X6)False)(∀X6 X3 X4 X2 X5 X1, (v1_xboole_0 X1False)(r1_tarski (k4_subset_1 X1 X2 X3) (esk15_6 X4 X1 X2 X5 X3 X6)False)m1_subset_1 X6 (k1_zfmisc_1 X1)m1_subset_1 X5 (k1_zfmisc_1 X1)m1_subset_1 X3 (k1_zfmisc_1 X1)m1_subset_1 X2 (k1_zfmisc_1 X1)r2_hidden X4 (a_5_1_interva1 X1 X2 X5 X3 X6)False)(∀X6 X4 X1 X3 X5 X2, (v1_xboole_0 X2False)(m1_subset_1 (esk15_6 X1 X2 X3 X4 X5 X6) (k1_zfmisc_1 X2)False)m1_subset_1 X6 (k1_zfmisc_1 X2)m1_subset_1 X5 (k1_zfmisc_1 X2)m1_subset_1 X4 (k1_zfmisc_1 X2)m1_subset_1 X3 (k1_zfmisc_1 X2)r2_hidden X1 (a_5_1_interva1 X2 X3 X4 X5 X6)False)(∀X6 X4 X1 X3 X5 X2, ((esk15_6 X1 X2 X3 X4 X5 X6) = X1False)(v1_xboole_0 X2False)m1_subset_1 X6 (k1_zfmisc_1 X2)m1_subset_1 X5 (k1_zfmisc_1 X2)m1_subset_1 X4 (k1_zfmisc_1 X2)m1_subset_1 X3 (k1_zfmisc_1 X2)r2_hidden X1 (a_5_1_interva1 X2 X3 X4 X5 X6)False)(∀X3 X6 X5 X7 X4 X1 X2, (v1_xboole_0 X2False)(r2_hidden X3 (a_5_1_interva1 X2 X4 X6 X5 X7)False)X1 = X3m1_subset_1 X7 (k1_zfmisc_1 X2)m1_subset_1 X6 (k1_zfmisc_1 X2)m1_subset_1 X5 (k1_zfmisc_1 X2)m1_subset_1 X4 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)r1_tarski X1 (k4_subset_1 X2 X6 X7)r1_tarski (k4_subset_1 X2 X4 X5) X1False)(∀X3 X2 X4 X1, ((k2_xboole_0 (esk7_4 X2 X3 X4 X1) (esk8_4 X2 X3 X4 X1)) = X1False)X4 = (k2_setfam_1 X2 X3)r2_hidden X1 X4False)(∀X3 X1 X4 X2, (m1_subset_1 (esk14_4 X1 X2 X3 X4) (k1_zfmisc_1 X2)False)m1_subset_1 X4 (k1_zfmisc_1 X2)m1_subset_1 X3 (k1_zfmisc_1 X2)r2_hidden X1 (a_3_0_interva1 X2 X3 X4)False)(∀X3 X1 X4 X2, (r1_tarski (esk14_4 X1 X2 X3 X4) X4False)m1_subset_1 X4 (k1_zfmisc_1 X2)m1_subset_1 X3 (k1_zfmisc_1 X2)r2_hidden X1 (a_3_0_interva1 X2 X3 X4)False)(∀X1 X2 X4 X3, (r1_tarski X1 (esk14_4 X2 X3 X1 X4)False)m1_subset_1 X4 (k1_zfmisc_1 X3)m1_subset_1 X1 (k1_zfmisc_1 X3)r2_hidden X2 (a_3_0_interva1 X3 X1 X4)False)(∀X2 X1 X3 X4, (r2_hidden (esk8_4 X1 X2 X3 X4) X2False)X3 = (k2_setfam_1 X1 X2)r2_hidden X4 X3False)(∀X2 X1 X3 X4, (r2_hidden (esk7_4 X1 X2 X3 X4) X1False)X3 = (k2_setfam_1 X1 X2)r2_hidden X4 X3False)(∀X3 X1 X4 X2, ((esk14_4 X1 X2 X3 X4) = X1False)m1_subset_1 X4 (k1_zfmisc_1 X2)m1_subset_1 X3 (k1_zfmisc_1 X2)r2_hidden X1 (a_3_0_interva1 X2 X3 X4)False)(∀X3 X2 X1, (X3 = (k2_setfam_1 X1 X2)False)((k2_xboole_0 (esk10_3 X1 X2 X3) (esk11_3 X1 X2 X3)) = (esk9_3 X1 X2 X3)False)(r2_hidden (esk9_3 X1 X2 X3) X3False)False)(∀X5 X4 X1 X2 X3, (X3 = (k2_setfam_1 X1 X2)False)(esk9_3 X1 X2 X3) = (k2_xboole_0 X4 X5)r2_hidden X5 X2r2_hidden X4 X1r2_hidden (esk9_3 X1 X2 X3) X3False)(∀X3 X4 X1 X2, (r1_tarski X1 X2False)m1_subset_1 X4 (k1_zfmisc_1 X3)m1_subset_1 X1 (k1_zfmisc_1 X3)r2_hidden X2 (k1_interva1 X3 X1 X4)False)(∀X3 X4 X1 X2, (r1_tarski X1 X2False)m1_subset_1 X4 (k1_zfmisc_1 X3)m1_subset_1 X2 (k1_zfmisc_1 X3)r2_hidden X1 (k1_interva1 X3 X4 X2)False)(∀X1 X5 X4 X2 X3, (r2_hidden X3 (a_3_0_interva1 X2 X4 X5)False)X1 = X3r1_tarski X4 X1r1_tarski X1 X5m1_subset_1 X5 (k1_zfmisc_1 X2)m1_subset_1 X4 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X2 X3 X1, (X3 = (k2_setfam_1 X1 X2)False)(r2_hidden (esk9_3 X1 X2 X3) X3False)(r2_hidden (esk11_3 X1 X2 X3) X2False)False)(∀X1 X3 X2, (X3 = (k2_setfam_1 X1 X2)False)(r2_hidden (esk9_3 X1 X2 X3) X3False)(r2_hidden (esk10_3 X1 X2 X3) X1False)False)(∀X1 X4 X2 X3, (r2_hidden X2 (k1_interva1 X4 X1 X3)False)r1_tarski X2 X3r1_tarski X1 X2m1_subset_1 X3 (k1_zfmisc_1 X4)m1_subset_1 X1 (k1_zfmisc_1 X4)False)(∀X3 X2 X1, (m1_subset_1 (k1_interva1 X2 X1 X3) (k1_zfmisc_1 (k1_zfmisc_1 X2))False)m1_subset_1 X3 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, (m1_subset_1 (k4_subset_1 X2 X1 X3) (k1_zfmisc_1 X2)False)m1_subset_1 X3 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, (m1_interva1 (k2_interva1 X2 X1 X3) X2False)m1_subset_1 X3 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((a_3_0_interva1 X2 X1 X3) = (k1_interva1 X2 X1 X3)False)m1_subset_1 X3 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((k2_interva1 X2 X1 X3) = (k1_interva1 X2 X1 X3)False)m1_subset_1 X3 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((k4_subset_1 X2 X1 X3) = (k4_subset_1 X2 X3 X1)False)m1_subset_1 X3 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, (m1_subset_1 (k9_subset_1 X2 X3 X1) (k1_zfmisc_1 X2)False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, (m1_subset_1 (k8_subset_1 X2 X1 X3) (k1_zfmisc_1 X2)False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((k9_subset_1 X2 X1 X3) = (k9_subset_1 X2 X3 X1)False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((k8_subset_1 X2 X1 X3) = (k8_subset_1 X2 X3 X1)False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((k4_subset_1 X2 X1 X3) = (k2_xboole_0 X1 X3)False)m1_subset_1 X3 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((k4_subset_1 X2 X1 X1) = X1False)m1_subset_1 X3 (k1_zfmisc_1 X2)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X4 X3 X2 X1, (r1_tarski (k2_xboole_0 X1 X3) (k2_xboole_0 X2 X4)False)r1_tarski X3 X4r1_tarski X1 X2False)(∀X1 X3 X2, r2_hidden X3 X2r2_hidden X1 X2r2_hidden X1 (esk23_2 X3 X2)False)(∀X4 X2 X1 X3 X5 X6, (r2_hidden X5 X6False)X6 = (k2_setfam_1 X2 X4)X5 = (k2_xboole_0 X1 X3)r2_hidden X3 X4r2_hidden X1 X2False)(∀X3 X2 X1, ((k9_subset_1 X2 X3 X1) = (k3_xboole_0 X3 X1)False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((k8_subset_1 X2 X1 X3) = (k3_xboole_0 X1 X3)False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, ((k9_subset_1 X2 X3 X3) = X3False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X2 X1, ((k8_subset_1 X2 X1 X1) = X1False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X3 X2 X1, (r1_tarski (k2_xboole_0 X1 X3) X2False)r1_tarski X3 X2r1_tarski X1 X2False)(∀X2 X1, (r1_tarski X1 X2False)r2_hidden (esk6_2 X1 X2) X2False)(∀X2 X1 X3, (m1_subset_1 X1 X3False)r2_hidden X1 X2m1_subset_1 X2 (k1_zfmisc_1 X3)False)(∀X2 X1, (r2_hidden (esk23_2 X1 X2) X2False)r2_hidden X1 X2False)(∀X2 X1, v1_xboole_0 X1v1_subset_1 X2 X1m1_subset_1 X2 (k1_zfmisc_1 X1)False)(∀X2 X1 X3, v1_xboole_0 X3r2_hidden X1 X2m1_subset_1 X2 (k1_zfmisc_1 X3)False)(∀X1 X3 X2, (r2_hidden X3 X2False)r1_tarski X1 X2r2_hidden X3 X1False)(∀X2 X1, (v1_xboole_0 X1False)(v1_subset_1 X2 X1False)v1_xboole_0 X2m1_subset_1 X2 (k1_zfmisc_1 X1)False)(∀X2 X1, (v1_xboole_0 X1False)(v1_subset_1 X2 X1False)v1_xboole_0 X2m1_subset_1 X2 (k1_zfmisc_1 X1)False)(∀X2 X1, (m1_subset_1 X1 (k1_zfmisc_1 (k1_zfmisc_1 X2))False)m1_interva1 X1 X2False)(∀X1 X2, (r1_tarski X1 X2False)(r2_hidden (esk6_2 X1 X2) X1False)False)(∀X2 X1, (v1_xboole_0 X1False)v1_xboole_0 (k2_xboole_0 X1 X2)False)(∀X2 X1, (v1_xboole_0 X1False)v1_xboole_0 (k2_xboole_0 X2 X1)False)(∀X2 X1, (X1 = X2False)r1_tarski X2 X1r1_tarski X1 X2False)(∀X2 X1, (r1_tarski X1 X2False)m1_subset_1 X1 (k1_zfmisc_1 X2)False)(∀X2 X1, r2_hidden X2 X1r2_hidden X1 X2False)(∀X1 X2, (v1_xboole_0 X2False)v1_xboole_0 X1m1_subset_1 X2 (k1_zfmisc_1 X1)False)(∀X2 X1, (m1_subset_1 X1 (k1_zfmisc_1 X2)False)r1_tarski X1 X2False)(∀X1 X2, (v1_xboole_0 X2False)(r2_hidden X1 X2False)m1_subset_1 X1 X2False)(∀X2 X1, ((k3_xboole_0 X1 X2) = X1False)r1_tarski X1 X2False)(∀X2 X1, ((k2_xboole_0 X1 X2) = X2False)r1_tarski X1 X2False)(∀X2 X1, (m1_subset_1 X1 X2False)r2_hidden X1 X2False)(∀X1, (v1_xboole_0 X1False)(m1_subset_1 (esk22_1 X1) (k1_zfmisc_1 X1)False)False)(∀X1, (v1_xboole_0 X1False)(m1_subset_1 (esk17_1 X1) (k1_zfmisc_1 X1)False)False)(∀X1 X2, v1_xboole_0 X2r2_hidden X1 X2False)(∀X1, (v1_xboole_0 X1False)(m1_interva1 (esk16_1 X1) X1False)False)(∀X1, (v1_xboole_0 X1False)(v1_subset_1 (esk22_1 X1) X1False)False)(∀X1, (v1_xboole_0 X1False)v1_xboole_0 (esk17_1 X1)False)(∀X1, (v1_xboole_0 X1False)v1_xboole_0 (esk16_1 X1)False)(∀X2 X1, (r1_tarski X1 X2False)X1 = X2False)(∀X2 X1, (r1_tarski X1 X2False)X1 = X2False)(∀X2 X1, (X1 = X2False)v1_xboole_0 X2v1_xboole_0 X1False)(∀X1, (X1 = k1_xboole_0False)v1_xboole_0 X1False)((k2_setfam_1 (k2_interva1 esk1_0 esk2_0 esk3_0) (k2_interva1 esk1_0 esk4_0 esk5_0)) = (a_5_1_interva1 esk1_0 esk2_0 esk3_0 esk4_0 esk5_0)False)(∀X1, v1_subset_1 (esk21_1 X1) X1False)(∀X1, v1_xboole_0 (k1_zfmisc_1 X1)False)(v1_xboole_0 esk20_0False)(v1_xboole_0 esk1_0False)(∀X2 X3 X1, ((k2_xboole_0 (k3_xboole_0 X1 X2) (k3_xboole_0 X1 X3)) = (k3_xboole_0 X1 (k2_xboole_0 X2 X3))False)False)(∀X2 X3 X1, ((k2_xboole_0 (k2_xboole_0 X1 X2) X3) = (k2_xboole_0 X1 (k2_xboole_0 X2 X3))False)False)(∀X1 X2, (r1_tarski (k3_xboole_0 X1 X2) X1False)False)(∀X1 X2, (r1_tarski X1 (k2_xboole_0 X1 X2)False)False)(∀X2 X1, ((k3_xboole_0 X1 X2) = (k3_xboole_0 X2 X1)False)False)(∀X2 X1, ((k2_xboole_0 X1 X2) = (k2_xboole_0 X2 X1)False)False)(∀X2 X1, ((k2_setfam_1 X1 X2) = (k2_setfam_1 X2 X1)False)False)(∀X1, (m1_subset_1 (esk21_1 X1) (k1_zfmisc_1 X1)False)False)(∀X1, (m1_subset_1 (esk19_1 X1) (k1_zfmisc_1 X1)False)False)(∀X1, (m1_interva1 (esk12_1 X1) X1False)False)(∀X1, (m1_subset_1 (esk13_1 X1) X1False)False)((m1_subset_1 esk5_0 (k1_zfmisc_1 esk1_0)False)False)((m1_subset_1 esk4_0 (k1_zfmisc_1 esk1_0)False)False)((m1_subset_1 esk3_0 (k1_zfmisc_1 esk1_0)False)False)((m1_subset_1 esk2_0 (k1_zfmisc_1 esk1_0)False)False)(∀X1, ((k3_xboole_0 X1 X1) = X1False)False)(∀X1, ((k2_xboole_0 X1 X1) = X1False)False)(∀X1, (r1_tarski X1 X1False)False)(∀X1, ((k2_xboole_0 X1 k1_xboole_0) = X1False)False)(∀X1, ((k3_xboole_0 X1 k1_xboole_0) = k1_xboole_0False)False)((r1_tarski esk4_0 esk5_0False)False)((r1_tarski esk2_0 esk3_0False)False)(∀X1, (v1_xboole_0 (esk19_1 X1)False)False)((v1_xboole_0 esk18_0False)False)((v1_xboole_0 o_0_0_xboole_0False)False)((v1_xboole_0 k1_xboole_0False)False)((o_0_0_xboole_0 = k1_xboole_0False)False)False
Proof:
The rest of the proof is missing.