| Name | Category | Theorems |
closedInterior π | CompOp | 18 mathmath: affineCombination_mem_closedInterior_iff, interior_subset_closedInterior, affineCombination_mem_closedInterior_face_iff_nonneg, isCompact_closedInterior, closedInterior_eq_affineSegment, mem_closedInterior_face_iff_wbtw, interior_ssubset_closedInterior, mem_closedInterior_iff_wbtw, closedInterior_restrict, closedInterior_face_eq_affineSegment, closedInterior_map, affineCombination_mem_closedInterior_face_iff_mem_Icc, point_mem_closedInterior, closedInterior_subset_affineSpan, convexHull_eq_closedInterior, closedInterior_reindex, closedInterior_eq_singleton, isClosed_closedInterior
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face π | CompOp | 22 mathmath: face_map, ExcenterExists.excenter_notMem_affineSpan_face, face_centroid_eq_iff, affineSpan_face_le, affineCombination_mem_interior_face_iff_mem_Ioo, face_restrict, affineCombination_mem_closedInterior_face_iff_nonneg, face_eq_mkOfPoint, face_centroid_eq_centroid, incenter_notMem_affineSpan_face, affineCombination_mem_setInterior_face_iff_mem, points_mem_affineSpan_face, range_face_points, mem_interior_face_iff_sbtw, face_points, orthogonalProjection_circumcenter, mem_closedInterior_face_iff_wbtw, affineCombination_mem_interior_face_iff_pos, range_face_reindex, closedInterior_face_eq_affineSegment, affineCombination_mem_closedInterior_face_iff_mem_Icc, face_points'
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faceOpposite π | CompOp | 60 mathmath: sSameSide_affineSpan_faceOpposite_point_left_iff, isTangentAt_insphere_iff_eq_touchpoint, faceOppositeCentroid_mem_affineSpan_face, wOppSide_affineSpan_faceOpposite_point_left_iff, sSameSide_excenter_singleton_point, ExcenterExists.excenter_notMem_affineSpan_faceOpposite, wSameSide_affineSpan_faceOpposite_iff, wOppSide_affineSpan_faceOpposite_point_right_iff, faceOpposite_map, sSameSide_incenter_point, ExcenterExists.touchpoint_notMem_affineSpan_of_ne, touchpoint_singleton_mem_interior_faceOpposite, isTangentAt_insphere_touchpoint, ExcenterExists.affineSpan_faceOpposite_eq_orthRadius, affineSpan_faceOpposite_eq_orthRadius_insphere, ExcenterExists.isTangentAt_touchpoint, wSameSide_affineSpan_faceOpposite_point_left_iff, signedInfDist_apply_self, wOppSide_affineSpan_faceOpposite_iff, ExcenterExists.sOppSide_excenter_point_iff, wSameSide_affineSpan_faceOpposite_point_right_iff, points_mem_affineSpan_faceOpposite, faceOpposite_point_eq_point_zero, faceOpposite_restrict, affineSpan_faceOpposite_le, exists_forall_dist_eq_iff_exists_excenterExists_and_eq_excenter, EuclideanGeometry.Sphere.sOppSide_faceOpposite_secondInter_of_mem_interior_faceOpposite, touchpoint_mem_affineSpan, range_faceOpposite_reindex, EuclideanGeometry.Sphere.sOppSide_faceOpposite_secondInter_of_mem_interior, sOppSide_excenter_singleton_point, ExcenterExists.sOppSide_point_excenter_iff, sSameSide_affineSpan_faceOpposite_iff, sSameSide_affineSpan_faceOpposite_of_sign_eq, orthogonalProjectionSpan_faceOpposite_eq_point_rev, ExcenterExists.isTangentAt_exsphere_iff_eq_touchpoint, sOppSide_point_excenter_singleton, affineCombination_mem_affineSpan_faceOpposite_iff, faceOpposite_point_eq_point_rev, faceOpposite_point_eq_point_succAbove, sOppSide_affineSpan_faceOpposite_of_pos_of_neg, points_notMem_affineSpan_faceOpposite, sSameSide_affineSpan_faceOpposite_point_right_iff, abs_signedInfDist_eq_dist_of_mem_affineSpan_range, touchpoint_empty_notMem_affineSpan_of_ne, sSameSide_point_excenter_singleton, orthogonalProjectionSpan_eulerPoint_mem_ninePointCircle, signedInfDist_affineCombination, sOppSide_affineSpan_faceOpposite_point_right_iff, faceOpposite_point_eq_point_one, altitudeFoot_mem_affineSpan_faceOpposite, sOppSide_affineSpan_faceOpposite_iff, range_faceOpposite_points, incenter_notMem_affineSpan_faceOpposite, touchpoint_empty_mem_interior_faceOpposite, ExcenterExists.sSameSide_excenter_point_iff, sSameSide_point_incenter, Affine.Triangle.dist_orthogonalProjectionSpan_faceOpposite_eq_iff_two_zsmul_oangle_eq, ExcenterExists.sSameSide_point_excenter_iff, sOppSide_affineSpan_faceOpposite_point_left_iff
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instInhabitedOfNatNat π | CompOp | β |
interior π | CompOp | 16 mathmath: interior_subset_closedInterior, touchpoint_singleton_mem_interior_faceOpposite, interior_eq_empty, affineCombination_mem_interior_face_iff_mem_Ioo, interior_restrict, incenter_mem_interior, interior_map, mem_interior_face_iff_sbtw, point_notMem_interior, affineCombination_mem_interior_iff, interior_ssubset_closedInterior, affineCombination_mem_interior_face_iff_pos, interior_reindex, interior_eq_image_Ioo, touchpoint_empty_mem_interior_faceOpposite, mem_interior_iff_sbtw
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map π | CompOp | 36 mathmath: face_map, orthogonalProjectionSpan_map, circumcenter_map, incenter_map, restrict_map_restrict, faceOpposite_map, map_id, ExcenterExists.touchpoint_map, ExcenterExists.excenter_map, reindex_map, centroid_map, excenterWeightsUnnorm_map, exradius_map, altitudeFoot_map, interior_map, excenterExists_map, median_map, height_map, map_comp, map_mkOfPoint, excenterWeights_map, ExcenterExists.touchpointWeights_map, closedInterior_map, mongePoint_map, eulerPoint_map, setInterior_map, altitude_map, faceOppositeCentroid_map, ninePointCircle_map, inradius_map, map_subtype_restrict, restrict_map_subtype, restrict_map_inclusion, medial_map, map_points, circumradius_map
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mkOfPoint π | CompOp | 4 mathmath: range_mkOfPoint_points, face_eq_mkOfPoint, mkOfPoint_points, map_mkOfPoint
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points π | CompOp | 274 mathmath: sSameSide_affineSpan_faceOpposite_point_left_iff, isTangentAt_insphere_iff_eq_touchpoint, Affine.Triangle.equilateral_iff_dist_01_eq_02_and_dist_01_eq_12, affineCombination_mem_closedInterior_iff, altitudeFoot_restrict, faceOppositeCentroid_mem_affineSpan_face, wOppSide_affineSpan_faceOpposite_point_left_iff, Affine.Triangle.oangle_excenter_singleton_eq_add_pi, orthogonalProjectionSpan_map, faceOppositeCentroid_vsub_point_eq_smul_sum_vsub, ExcenterExists.excenter_notMem_affineSpan_face, smul_mongePoint_vsub_circumcenter_eq_sum_vsub, sSameSide_excenter_singleton_point, neg_mul_lt_inner_vsub_altitudeFoot, Affine.Triangle.oangle_incenter_eq, smul_centroid_vsub_point_eq_smul_faceOppositeCentroid_vsub_point, orthogonalProjection_vadd_smul_vsub_orthogonalProjection, Affine.Triangle.altitude_replace_orthocenter_eq_affineSpan, inv_height_eq_sum_mul_inv_dist, ExcenterExists.excenter_notMem_affineSpan_faceOpposite, circumcenter_mem_affineSpan, affineSpan_pair_altitudeFoot_eq_altitude, restrict_reindex, excenter_singleton_mem_affineSpan_range, faceOppositeCentroid_restrict, dist_point_faceOppositeCentroid, face_centroid_eq_iff, Affine.Triangle.sSameSide_affineSpan_pair_point_incenter, centroid_eq_smul_sum_vsub_vadd, Affine.Triangle.sbtw_touchpoint_singleton, Affine.Triangle.dist_point_faceOppositeCentroid, mem_circumsphere, restrict_map_restrict, point_mem_median, Affine.Triangle.prod_dist_div_dist_eq_one_of_mem_line_of_mem_line, wSameSide_affineSpan_faceOpposite_iff, wOppSide_affineSpan_faceOpposite_point_right_iff, median_eq_line_point_centroid, ExcenterExists.affineCombination_eq_excenter_iff, univ_centroid_eq, affineIndependent_points_update_centroid, Affine.Triangle.orthocenter_eq_smul_vsub_vadd_circumcenter, point_vsub_faceOppositeCentroid_eq_smul_vsub, orthogonalProjectionSpan_eq_point, centroid_eq_of_range_eq, sSameSide_incenter_point, affineSpan_face_le, circumradius_restrict, ExcenterExists.touchpoint_notMem_affineSpan_of_ne, abs_inner_vsub_altitudeFoot_div_lt_one, medial_restrict, centroid_weighted_vsub_eq_zero, Polygon.toTriangle_points, excenter_eq_affineCombination, Affine.Triangle.dist_div_sin_angle_eq_two_mul_circumradius, altitudeFoot_mem_affineSpan_image_compl, range_mkOfPoint_points, isTangentAt_insphere_touchpoint, ExcenterExists.affineSpan_faceOpposite_eq_orthRadius, inner_mongePoint_vsub_face_centroid_vsub, ninePointCircle_restrict, affineCombination_mem_interior_face_iff_mem_Ioo, face_restrict, interior_restrict, affineSpan_faceOpposite_eq_orthRadius_insphere, dist_sq_eq_dist_orthogonalProjection_sq_add_dist_orthogonalProjection_sq, affineCombination_mem_closedInterior_face_iff_nonneg, Affine.Triangle.touchpoint_singleton_sbtw, face_eq_mkOfPoint, face_centroid_eq_centroid, Affine.Triangle.dist_circumcenter_reflection_orthocenter, abs_inner_vsub_altitudeFoot_lt_mul, ExcenterExists.isTangentAt_touchpoint, wSameSide_affineSpan_faceOpposite_point_left_iff, circumcenter_eq_point, altitude_restrict_eq_comap_subtype, signedInfDist_apply_self, centroid_notMem_affineSpan_of_ne_univ, wOppSide_affineSpan_faceOpposite_iff, ExcenterExists.sOppSide_excenter_point_iff, incenter_notMem_affineSpan_face, Affine.Triangle.affineSpan_pair_eq_orthRadius, orthogonalProjectionSpan_congr, mongePlane_def, Affine.Triangle.acuteAngled_iff_angle_lt, wSameSide_affineSpan_faceOpposite_point_right_iff, Affine.Triangle.toPolygon_vertices, altitudeFoot_eq_point_rev, vectorSpan_isOrtho_altitude_direction, mkOfPoint_points, altitudeFoot_mem_affineSpan, ExcenterExists.touchpointWeights_restrict, EuclideanGeometry.exists_of_range_subset_orthocentricSystem, Affine.Triangle.circumsphere_eq_of_dist_of_oangle, affineCombination_mem_setInterior_face_iff_mem, Affine.Triangle.sOppSide_affineSpan_pair_excenter_singleton_point, ExcenterExists.excenter_restrict, points_mem_affineSpan_face, range_face_points, points_mem_affineSpan_faceOpposite, mem_interior_face_iff_sbtw, circumsphere_unique_dist_eq, faceOpposite_point_eq_point_zero, face_points, Affine.Triangle.two_zsmul_oangle_excenter_eq, Affine.Triangle.dist_orthocenter_reflection_circumcenter, map_altitude_restrict, faceOpposite_restrict, closedInterior_eq_affineSegment, point_notMem_interior, Affine.Triangle.dist_div_sin_oangle_eq_two_mul_circumradius, exradius_restrict, orthogonalProjection_circumcenter, affineSpan_faceOpposite_le, Affine.Triangle.prod_dist_eq_prod_dist_of_mem_line_of_mem_line, Affine.Triangle.orthocenter_replace_orthocenter_eq_point, mem_closedInterior_face_iff_wbtw, exists_forall_dist_eq_iff_exists_excenterExists_and_eq_excenter, smul_faceOppositeCentroid_vsub_point_eq_sum_vsub, orthogonalProjection_eq_circumcenter_of_exists_dist_eq, EuclideanGeometry.Sphere.sOppSide_faceOpposite_secondInter_of_mem_interior_faceOpposite, touchpoint_mem_affineSpan, affineCombination_mem_interior_iff, direction_mongePlane, dist_point_centroid, range_faceOpposite_reindex, affineCombination_eq_touchpoint_iff, Affine.Triangle.inv_tan_div_two_smul_rotation_pi_div_two_vadd_midpoint_eq_circumcenter, EuclideanGeometry.Sphere.sOppSide_faceOpposite_secondInter_of_mem_interior, circumcenter_restrict, height_restrict, Affine.Triangle.affineSpan_orthocenter_point_le_altitude, point_vsub_faceOppositeCentroid_eq_smul_sum_vsub, sbtw_of_sbtw_of_sbtw_of_mem_affineSpan_pair, faceOppositeCentroid_vsub_point_eq_smul_vsub, sOppSide_excenter_singleton_point, ExcenterExists.sOppSide_point_excenter_iff, mem_affineSpan_image_iff, dist_circumcenter_eq_circumradius, faceOppositeCentroid_eq_sum_vsub_vadd, EuclideanGeometry.eq_or_eq_reflection_of_dist_eq, incenter_restrict, Affine.Triangle.oangle_excenter_singleton_eq, inner_vsub_altitudeFoot_vsub_altitudeFoot_eq_zero, sSameSide_affineSpan_faceOpposite_iff, sSameSide_affineSpan_faceOpposite_of_sign_eq, dist_circumcenter_eq_circumradius', orthogonalProjectionSpan_faceOpposite_eq_point_rev, EuclideanGeometry.exists_dist_eq_circumradius_of_subset_insert_orthocenter, affineCombination_mem_interior_face_iff_pos, ExcenterExists.isTangentAt_exsphere_iff_eq_touchpoint, centroid_eq_smul_vsub_vadd_point, ExcenterExists.excenter_notMem_affineSpan_pair, pointsWithCircumcenter_point, inradius_restrict, Affine.Triangle.affineSpan_pair_eq_orthRadius_insphere, mongePoint_eq_smul_vsub_vadd_circumcenter, centroid_vsub_faceOppositeCentroid_eq_smul_vsub, span_eq_top, incenter_eq_affineCombination, centroid_restrict, sOppSide_point_excenter_singleton, ninePointCircle_center_mem_affineSpan, eq_centroid_iff_sum_vsub_eq_zero, affineCombination_mem_affineSpan_faceOpposite_iff, orthogonalProjectionSpan_restrict, faceOpposite_point_eq_point_rev, mem_closedInterior_iff_wbtw, faceOpposite_point_eq_point_succAbove, setInterior_restrict, ExcenterExists.excenter_mem_affineSpan_range, excenterWeights_restrict, sOppSide_affineSpan_faceOpposite_of_pos_of_neg, Affine.Triangle.eulerPoint_eq_midpoint, reindex_points, range_face_reindex, medial_points, affineSpan_range_medial, median_restrict, points_notMem_affineSpan_faceOpposite, Affine.Triangle.dist_circumcenter_reflection_orthocenter_finset, collinear_point_centroid_faceOppositeCentroid, point_eq_affineCombination_of_pointsWithCircumcenter, Equilateral.dist_eq, closedInterior_restrict, EuclideanGeometry.OrthocentricSystem.eq_insert_orthocenter, incenter_mem_affineSpan_range, sum_inv_height_sq_smul_vsub_eq_zero, closedInterior_face_eq_affineSegment, orthogonalProjection_eq_circumcenter_of_dist_eq, centroid_eq_iff, incenter_notMem_affineSpan_pair, mongePoint_restrict, touchpoint_eq_point_rev, eulerPoint_restrict, neg_one_lt_inner_vsub_altitudeFoot_div, centroid_eq_affineCombination, ExcenterExists.touchpoint_restrict, Affine.Triangle.sOppSide_affineSpan_pair_point_excenter_singleton, coe_orthogonalProjection_vadd_smul_vsub_orthogonalProjection, sSameSide_affineSpan_faceOpposite_point_right_iff, excenterWeightsUnnorm_restrict, affineCombination_touchpointWeights, Affine.Triangle.orthocenter_mem_affineSpan, mongePoint_mem_affineSpan, smul_centroid_vsub_point_eq_sum_vsub, mongePoint_vsub_face_centroid_eq_weightedVSub_of_pointsWithCircumcenter, point_vsub_centroid_eq_smul_vsub, faceOppositeCentroid_eq_smul_vsub_vadd_point, abs_signedInfDist_eq_dist_of_mem_affineSpan_range, affineCombination_mem_closedInterior_face_iff_mem_Icc, orthogonalProjectionSpan_reindex, Affine.Triangle.sbtw_touchpoint_empty, independent, touchpoint_empty_notMem_affineSpan_of_ne, faceOppositeCentroid_vsub_centroid_eq_smul_vsub, sSameSide_point_excenter_singleton, mem_altitude, Affine.Triangle.sSameSide_affineSpan_pair_point_excenter_singleton, Affine.Triangle.dist_div_sin_angle_div_two_eq_circumradius, orthogonalProjectionSpan_eulerPoint_mem_ninePointCircle, height_eq_dist, reindex_range_points, signedInfDist_affineCombination, sOppSide_affineSpan_faceOpposite_point_right_iff, faceOppositeCentroid_vsub_faceOppositeCentroid, faceOpposite_point_eq_point_one, setInterior_subset_affineSpan, touchpoint_mem_affineSpan_simplex, point_mem_closedInterior, Equilateral.angle_eq_pi_div_three, ext_iff, Affine.Triangle.sSameSide_affineSpan_pair_excenter_singleton_point, interior_eq_image_Ioo, Affine.Triangle.dist_div_sin_oangle_div_two_eq_circumradius, face_points', reflection_circumcenter_eq_affineCombination_of_pointsWithCircumcenter, map_subtype_restrict, restrict_map_subtype, Affine.Triangle.orthocenter_vsub_circumcenter_eq_sum_vsub, affineCombination_mem_setInterior_iff, altitudeFoot_mem_affineSpan_faceOpposite, Affine.Triangle.dist_orthocenter_reflection_circumcenter_finset, affineSpan_pair_eq_altitude_iff, closedInterior_subset_affineSpan, signedInfDist_apply_of_ne, direction_altitude, restrict_map_inclusion, circumcenter_eq_centroid, convexHull_eq_closedInterior, sOppSide_affineSpan_faceOpposite_iff, range_faceOpposite_points, Affine.Triangle.sSameSide_affineSpan_pair_incenter_point, centroid_eq_affineCombination_of_pointsWithCircumcenter, incenter_notMem_affineSpan_faceOpposite, faceOppositeCentroid_eq_affineCombination, centroid_mem_affineSpan, closedInterior_eq_singleton, centroid_vsub_point_eq_smul_vsub, points_vsub_eulerPoint, ExcenterExists.sSameSide_excenter_point_iff, centroid_vsub_eq, map_points, Affine.Triangle.dist_point_centroid, altitude_def, restrict_points_coe, mem_interior_iff_sbtw, excenterExists_restrict, Affine.Triangle.equilateral_iff_dist_eq_and_dist_eq, sSameSide_point_incenter, Affine.Triangle.dist_orthogonalProjectionSpan_faceOpposite_eq_iff_two_zsmul_oangle_eq, ExcenterExists.sSameSide_point_excenter_iff, sOppSide_affineSpan_faceOpposite_point_left_iff, inner_vsub_vsub_altitudeFoot_eq_height_sq
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reindex π | CompOp | 45 mathmath: restrict_reindex, medial_reindex, excenterWeightsUnnorm_reindex, reindex_map, excenterExists_reindex, circumcenter_reindex, scalene_reindex_iff, equilateral_reindex_iff, excenterWeights_reindex, inradius_reindex, median_reindex, exsphere_reindex, reindex_trans, exradius_reindex, ninePointCircle_reindex, touchpointWeights_reindex, range_faceOpposite_reindex, altitudeFoot_reindex, mongePoint_reindex, altitude_reindex, faceOppositeCentroid_reindex, regular_reindex_iff, touchpoint_reindex, interior_reindex, reindex_points, range_face_reindex, eulerPoint_reindex, signedInfDist_reindex, incenter_reindex, orthogonalProjectionSpan_reindex, acuteAngled_reindex_iff, mongePlane_reindex, reindex_range_points, circumsphere_reindex, circumradius_reindex, centroid_reindex, height_reindex, reindex_refl, excenter_reindex, reindex_symm_reindex, closedInterior_reindex, setInterior_reindex, reindex_reindex_symm, Affine.Triangle.orthocenter_reindex, insphere_reindex
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restrict π | CompOp | 34 mathmath: altitudeFoot_restrict, restrict_reindex, faceOppositeCentroid_restrict, restrict_map_restrict, circumradius_restrict, medial_restrict, ninePointCircle_restrict, face_restrict, interior_restrict, altitude_restrict_eq_comap_subtype, ExcenterExists.touchpointWeights_restrict, ExcenterExists.excenter_restrict, map_altitude_restrict, faceOpposite_restrict, exradius_restrict, circumcenter_restrict, height_restrict, incenter_restrict, inradius_restrict, centroid_restrict, orthogonalProjectionSpan_restrict, setInterior_restrict, excenterWeights_restrict, median_restrict, closedInterior_restrict, mongePoint_restrict, eulerPoint_restrict, ExcenterExists.touchpoint_restrict, excenterWeightsUnnorm_restrict, map_subtype_restrict, restrict_map_subtype, restrict_map_inclusion, restrict_points_coe, excenterExists_restrict
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setInterior π | CompOp | 7 mathmath: affineCombination_mem_setInterior_face_iff_mem, setInterior_mono, setInterior_restrict, setInterior_map, setInterior_subset_affineSpan, affineCombination_mem_setInterior_iff, setInterior_reindex
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