:: JGRAPH_8 semantic presentation begin registrationlet "a", "b", "c", "d" be ($#v1_xreal_0 :::"real"::: ) ($#m1_hidden :::"number"::: ) ; cluster (Set ($#k2_jgraph_6 :::"closed_inside_of_rectangle"::: ) "(" "a" "," "b" "," "c" "," "d" ")" ) -> ($#v1_convex1 :::"convex"::: ) ; end; registrationlet "a", "b", "c", "d" be ($#v1_xreal_0 :::"real"::: ) ($#m1_hidden :::"number"::: ) ; cluster (Set ($#k1_topreala :::"Trectangle"::: ) "(" "a" "," "b" "," "c" "," "d" ")" ) -> ($#v1_topalg_2 :::"convex"::: ) ; end; theorem :: JGRAPH_8:1 (Bool "for" (Set (Var "n")) "being" ($#m1_subset_1 :::"Element"::: ) "of" (Set ($#k5_numbers :::"NAT"::: ) ) (Bool "for" (Set (Var "e")) "being" ($#v1_xreal_0 :::"real"::: ) ($#v2_xxreal_0 :::"positive"::: ) ($#m1_hidden :::"number"::: ) (Bool "for" (Set (Var "g")) "being" ($#v5_pre_topc :::"continuous"::: ) ($#m1_subset_1 :::"Function":::) "of" (Set ($#k17_borsuk_1 :::"I[01]"::: ) ) "," (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Set (Var "n")) ")" ) (Bool "ex" (Set (Var "h")) "being" ($#m2_finseq_1 :::"FinSequence"::: ) "of" (Set ($#k1_numbers :::"REAL"::: ) ) "st" (Bool "(" (Bool (Set (Set (Var "h")) ($#k1_seq_1 :::"."::: ) (Num 1)) ($#r1_hidden :::"="::: ) (Set ($#k6_numbers :::"0"::: ) )) & (Bool (Set (Set (Var "h")) ($#k1_seq_1 :::"."::: ) (Set "(" ($#k3_finseq_1 :::"len"::: ) (Set (Var "h")) ")" )) ($#r1_hidden :::"="::: ) (Num 1)) & (Bool (Num 5) ($#r1_xxreal_0 :::"<="::: ) (Set ($#k3_finseq_1 :::"len"::: ) (Set (Var "h")))) & (Bool (Set ($#k2_relset_1 :::"rng"::: ) (Set (Var "h"))) ($#r1_tarski :::"c="::: ) (Set "the" ($#u1_struct_0 :::"carrier"::: ) "of" (Set ($#k17_borsuk_1 :::"I[01]"::: ) ))) & (Bool (Set (Var "h")) "is" ($#v5_valued_0 :::"increasing"::: ) ) & (Bool "(" "for" (Set (Var "i")) "being" ($#m1_subset_1 :::"Element"::: ) "of" (Set ($#k5_numbers :::"NAT"::: ) ) (Bool "for" (Set (Var "Q")) "being" ($#m1_subset_1 :::"Subset":::) "of" (Set ($#k17_borsuk_1 :::"I[01]"::: ) ) (Bool "for" (Set (Var "W")) "being" ($#m1_subset_1 :::"Subset":::) "of" (Set "(" ($#k14_euclid :::"Euclid"::: ) (Set (Var "n")) ")" ) "st" (Bool (Bool (Num 1) ($#r1_xxreal_0 :::"<="::: ) (Set (Var "i"))) & (Bool (Set (Var "i")) ($#r1_xxreal_0 :::"<"::: ) (Set ($#k3_finseq_1 :::"len"::: ) (Set (Var "h")))) & (Bool (Set (Var "Q")) ($#r1_hidden :::"="::: ) (Set ($#k1_rcomp_1 :::"[."::: ) (Set "(" (Set (Var "h")) ($#k7_partfun1 :::"/."::: ) (Set (Var "i")) ")" ) "," (Set "(" (Set (Var "h")) ($#k7_partfun1 :::"/."::: ) (Set "(" (Set (Var "i")) ($#k2_nat_1 :::"+"::: ) (Num 1) ")" ) ")" ) ($#k1_rcomp_1 :::".]"::: ) )) & (Bool (Set (Var "W")) ($#r1_hidden :::"="::: ) (Set (Set (Var "g")) ($#k7_relset_1 :::".:"::: ) (Set (Var "Q"))))) "holds" (Bool (Set ($#k3_tbsp_1 :::"diameter"::: ) (Set (Var "W"))) ($#r1_xxreal_0 :::"<"::: ) (Set (Var "e"))))) ")" ) ")" ))))) ; theorem :: JGRAPH_8:2 (Bool "for" (Set (Var "n")) "being" ($#m1_subset_1 :::"Element"::: ) "of" (Set ($#k5_numbers :::"NAT"::: ) ) (Bool "for" (Set (Var "p1")) "," (Set (Var "p2")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Set (Var "n")) ")" ) (Bool "for" (Set (Var "P")) "being" ($#m1_subset_1 :::"Subset":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Set (Var "n")) ")" ) "st" (Bool (Bool (Set (Var "P")) ($#r1_tarski :::"c="::: ) (Set ($#k1_rltopsp1 :::"LSeg"::: ) "(" (Set (Var "p1")) "," (Set (Var "p2")) ")" )) & (Bool (Set (Var "p1")) ($#r2_hidden :::"in"::: ) (Set (Var "P"))) & (Bool (Set (Var "p2")) ($#r2_hidden :::"in"::: ) (Set (Var "P"))) & (Bool (Set (Var "P")) "is" ($#v2_connsp_1 :::"connected"::: ) )) "holds" (Bool (Set (Var "P")) ($#r1_hidden :::"="::: ) (Set ($#k1_rltopsp1 :::"LSeg"::: ) "(" (Set (Var "p1")) "," (Set (Var "p2")) ")" ))))) ; theorem :: JGRAPH_8:3 (Bool "for" (Set (Var "n")) "being" ($#m1_subset_1 :::"Element"::: ) "of" (Set ($#k5_numbers :::"NAT"::: ) ) (Bool "for" (Set (Var "p1")) "," (Set (Var "p2")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Set (Var "n")) ")" ) (Bool "for" (Set (Var "g")) "being" ($#m1_borsuk_2 :::"Path"::: ) "of" (Set (Var "p1")) "," (Set (Var "p2")) "st" (Bool (Bool (Set ($#k2_relset_1 :::"rng"::: ) (Set (Var "g"))) ($#r1_tarski :::"c="::: ) (Set ($#k1_rltopsp1 :::"LSeg"::: ) "(" (Set (Var "p1")) "," (Set (Var "p2")) ")" ))) "holds" (Bool (Set ($#k2_relset_1 :::"rng"::: ) (Set (Var "g"))) ($#r1_hidden :::"="::: ) (Set ($#k1_rltopsp1 :::"LSeg"::: ) "(" (Set (Var "p1")) "," (Set (Var "p2")) ")" ))))) ; theorem :: JGRAPH_8:4 (Bool "for" (Set (Var "P")) "," (Set (Var "Q")) "being" ($#~v1_xboole_0 "non" ($#v1_xboole_0 :::"empty"::: ) ) ($#m1_subset_1 :::"Subset":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Num 2) ")" ) (Bool "for" (Set (Var "p1")) "," (Set (Var "p2")) "," (Set (Var "q1")) "," (Set (Var "q2")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Num 2) ")" ) (Bool "for" (Set (Var "f")) "being" ($#m1_borsuk_2 :::"Path"::: ) "of" (Set (Var "p1")) "," (Set (Var "p2")) (Bool "for" (Set (Var "g")) "being" ($#m1_borsuk_2 :::"Path"::: ) "of" (Set (Var "q1")) "," (Set (Var "q2")) "st" (Bool (Bool (Set ($#k2_relset_1 :::"rng"::: ) (Set (Var "f"))) ($#r1_hidden :::"="::: ) (Set (Var "P"))) & (Bool (Set ($#k2_relset_1 :::"rng"::: ) (Set (Var "g"))) ($#r1_hidden :::"="::: ) (Set (Var "Q"))) & (Bool "(" "for" (Set (Var "p")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Num 2) ")" ) "st" (Bool (Bool (Set (Var "p")) ($#r2_hidden :::"in"::: ) (Set (Var "P")))) "holds" (Bool "(" (Bool (Set (Set (Var "p1")) ($#k17_euclid :::"`1"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Set (Var "p")) ($#k17_euclid :::"`1"::: ) )) & (Bool (Set (Set (Var "p")) ($#k17_euclid :::"`1"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Set (Var "p2")) ($#k17_euclid :::"`1"::: ) )) ")" ) ")" ) & (Bool "(" "for" (Set (Var "p")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Num 2) ")" ) "st" (Bool (Bool (Set (Var "p")) ($#r2_hidden :::"in"::: ) (Set (Var "Q")))) "holds" (Bool "(" (Bool (Set (Set (Var "p1")) ($#k17_euclid :::"`1"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Set (Var "p")) ($#k17_euclid :::"`1"::: ) )) & (Bool (Set (Set (Var "p")) ($#k17_euclid :::"`1"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Set (Var "p2")) ($#k17_euclid :::"`1"::: ) )) ")" ) ")" ) & (Bool "(" "for" (Set (Var "p")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Num 2) ")" ) "st" (Bool (Bool (Set (Var "p")) ($#r2_hidden :::"in"::: ) (Set (Var "P")))) "holds" (Bool "(" (Bool (Set (Set (Var "q1")) ($#k18_euclid :::"`2"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Set (Var "p")) ($#k18_euclid :::"`2"::: ) )) & (Bool (Set (Set (Var "p")) ($#k18_euclid :::"`2"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Set (Var "q2")) ($#k18_euclid :::"`2"::: ) )) ")" ) ")" ) & (Bool "(" "for" (Set (Var "p")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Num 2) ")" ) "st" (Bool (Bool (Set (Var "p")) ($#r2_hidden :::"in"::: ) (Set (Var "Q")))) "holds" (Bool "(" (Bool (Set (Set (Var "q1")) ($#k18_euclid :::"`2"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Set (Var "p")) ($#k18_euclid :::"`2"::: ) )) & (Bool (Set (Set (Var "p")) ($#k18_euclid :::"`2"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Set (Var "q2")) ($#k18_euclid :::"`2"::: ) )) ")" ) ")" )) "holds" (Bool (Set (Var "P")) ($#r2_subset_1 :::"meets"::: ) (Set (Var "Q"))))))) ; theorem :: JGRAPH_8:5 (Bool "for" (Set (Var "a")) "," (Set (Var "b")) "," (Set (Var "c")) "," (Set (Var "d")) "being" ($#v1_xreal_0 :::"real"::: ) ($#m1_hidden :::"number"::: ) (Bool "for" (Set (Var "f")) "," (Set (Var "g")) "being" ($#v5_pre_topc :::"continuous"::: ) ($#m1_subset_1 :::"Function":::) "of" (Set ($#k17_borsuk_1 :::"I[01]"::: ) ) "," (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Num 2) ")" ) (Bool "for" (Set (Var "O")) "," (Set (Var "I")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set ($#k17_borsuk_1 :::"I[01]"::: ) ) "st" (Bool (Bool (Set (Var "O")) ($#r1_hidden :::"="::: ) (Set ($#k6_numbers :::"0"::: ) )) & (Bool (Set (Var "I")) ($#r1_hidden :::"="::: ) (Num 1)) & (Bool (Set (Set "(" (Set (Var "f")) ($#k3_funct_2 :::"."::: ) (Set (Var "O")) ")" ) ($#k17_euclid :::"`1"::: ) ) ($#r1_hidden :::"="::: ) (Set (Var "a"))) & (Bool (Set (Set "(" (Set (Var "f")) ($#k3_funct_2 :::"."::: ) (Set (Var "I")) ")" ) ($#k17_euclid :::"`1"::: ) ) ($#r1_hidden :::"="::: ) (Set (Var "b"))) & (Bool (Set (Set "(" (Set (Var "g")) ($#k3_funct_2 :::"."::: ) (Set (Var "O")) ")" ) ($#k18_euclid :::"`2"::: ) ) ($#r1_hidden :::"="::: ) (Set (Var "c"))) & (Bool (Set (Set "(" (Set (Var "g")) ($#k3_funct_2 :::"."::: ) (Set (Var "I")) ")" ) ($#k18_euclid :::"`2"::: ) ) ($#r1_hidden :::"="::: ) (Set (Var "d"))) & (Bool "(" "for" (Set (Var "r")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set ($#k17_borsuk_1 :::"I[01]"::: ) ) "holds" (Bool "(" (Bool (Set (Var "a")) ($#r1_xxreal_0 :::"<="::: ) (Set (Set "(" (Set (Var "f")) ($#k3_funct_2 :::"."::: ) (Set (Var "r")) ")" ) ($#k17_euclid :::"`1"::: ) )) & (Bool (Set (Set "(" (Set (Var "f")) ($#k3_funct_2 :::"."::: ) (Set (Var "r")) ")" ) ($#k17_euclid :::"`1"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Var "b"))) & (Bool (Set (Var "a")) ($#r1_xxreal_0 :::"<="::: ) (Set (Set "(" (Set (Var "g")) ($#k3_funct_2 :::"."::: ) (Set (Var "r")) ")" ) ($#k17_euclid :::"`1"::: ) )) & (Bool (Set (Set "(" (Set (Var "g")) ($#k3_funct_2 :::"."::: ) (Set (Var "r")) ")" ) ($#k17_euclid :::"`1"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Var "b"))) & (Bool (Set (Var "c")) ($#r1_xxreal_0 :::"<="::: ) (Set (Set "(" (Set (Var "f")) ($#k3_funct_2 :::"."::: ) (Set (Var "r")) ")" ) ($#k18_euclid :::"`2"::: ) )) & (Bool (Set (Set "(" (Set (Var "f")) ($#k3_funct_2 :::"."::: ) (Set (Var "r")) ")" ) ($#k18_euclid :::"`2"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Var "d"))) & (Bool (Set (Var "c")) ($#r1_xxreal_0 :::"<="::: ) (Set (Set "(" (Set (Var "g")) ($#k3_funct_2 :::"."::: ) (Set (Var "r")) ")" ) ($#k18_euclid :::"`2"::: ) )) & (Bool (Set (Set "(" (Set (Var "g")) ($#k3_funct_2 :::"."::: ) (Set (Var "r")) ")" ) ($#k18_euclid :::"`2"::: ) ) ($#r1_xxreal_0 :::"<="::: ) (Set (Var "d"))) ")" ) ")" )) "holds" (Bool (Set ($#k2_relset_1 :::"rng"::: ) (Set (Var "f"))) ($#r2_subset_1 :::"meets"::: ) (Set ($#k2_relset_1 :::"rng"::: ) (Set (Var "g"))))))) ; theorem :: JGRAPH_8:6 (Bool "for" (Set (Var "a")) "," (Set (Var "b")) "," (Set (Var "c")) "," (Set (Var "d")) "being" ($#v1_xreal_0 :::"real"::: ) ($#m1_hidden :::"number"::: ) (Bool "for" (Set (Var "ar")) "," (Set (Var "br")) "," (Set (Var "cr")) "," (Set (Var "dr")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k1_topreala :::"Trectangle"::: ) "(" (Set (Var "a")) "," (Set (Var "b")) "," (Set (Var "c")) "," (Set (Var "d")) ")" ")" ) (Bool "for" (Set (Var "h")) "being" ($#m1_borsuk_2 :::"Path"::: ) "of" (Set (Var "ar")) "," (Set (Var "br")) (Bool "for" (Set (Var "v")) "being" ($#m1_borsuk_2 :::"Path"::: ) "of" (Set (Var "dr")) "," (Set (Var "cr")) (Bool "for" (Set (Var "Ar")) "," (Set (Var "Br")) "," (Set (Var "Cr")) "," (Set (Var "Dr")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set "(" ($#k15_euclid :::"TOP-REAL"::: ) (Num 2) ")" ) "st" (Bool (Bool (Set (Set (Var "Ar")) ($#k17_euclid :::"`1"::: ) ) ($#r1_hidden :::"="::: ) (Set (Var "a"))) & (Bool (Set (Set (Var "Br")) ($#k17_euclid :::"`1"::: ) ) ($#r1_hidden :::"="::: ) (Set (Var "b"))) & (Bool (Set (Set (Var "Cr")) ($#k18_euclid :::"`2"::: ) ) ($#r1_hidden :::"="::: ) (Set (Var "c"))) & (Bool (Set (Set (Var "Dr")) ($#k18_euclid :::"`2"::: ) ) ($#r1_hidden :::"="::: ) (Set (Var "d"))) & (Bool (Set (Var "ar")) ($#r1_hidden :::"="::: ) (Set (Var "Ar"))) & (Bool (Set (Var "br")) ($#r1_hidden :::"="::: ) (Set (Var "Br"))) & (Bool (Set (Var "cr")) ($#r1_hidden :::"="::: ) (Set (Var "Cr"))) & (Bool (Set (Var "dr")) ($#r1_hidden :::"="::: ) (Set (Var "Dr")))) "holds" (Bool "ex" (Set (Var "s")) "," (Set (Var "t")) "being" ($#m1_subset_1 :::"Point":::) "of" (Set ($#k17_borsuk_1 :::"I[01]"::: ) ) "st" (Bool (Set (Set (Var "h")) ($#k3_funct_2 :::"."::: ) (Set (Var "s"))) ($#r1_hidden :::"="::: ) (Set (Set (Var "v")) ($#k3_funct_2 :::"."::: ) (Set (Var "t")))))))))) ;