(closest_approach_relative_2D
(divergent_lem 0
(divergent_lem-1 nil 3474796853
("" (skosimp*)
(("" (expand "divergent?")
(("" (expand "dist")
(("" (expand "norm")
(("" (expand "sqv")
(("" (expand "sq_dist")
(("" (assert) (("" (grind) nil nil)) nil)) nil))
nil))
nil))
nil))
nil))
nil)
((divergent? const-decl "bool" closest_approach_2D nil)
(norm const-decl "nnreal" vectors_2D nil)
(sq_dist const-decl "nnreal" distance_2D nil)
(real_times_real_is_real application-judgement "real" reals nil)
(posreal_times_posreal_is_posreal application-judgement "posreal"
real_types nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(* const-decl "real" vectors_2D nil)
(+ const-decl "Vector" vectors_2D nil)
(* const-decl "Vector" vectors_2D nil)
(sq const-decl "nonneg_real" sq "reals/")
(add_zero_left formula-decl nil vectors_2D nil)
(scal_zero formula-decl nil vectors_2D nil)
(comp_zero_y formula-decl nil vectors_2D nil)
(comp_zero_x formula-decl nil vectors_2D nil)
(sqv const-decl "nnreal" vectors_2D nil)
(dist const-decl "nnreal" distance_2D nil))
shostak))
(dot_pos_comm 0
(dot_pos_comm-1 nil 3479037640
("" (skosimp*)
(("" (expand "dot_pos?")
(("" (ground) (("1" (grind) nil nil) ("2" (grind) nil nil)) nil))
nil))
nil)
((dot_pos? const-decl "bool" closest_approach_relative_2D nil)
(* const-decl "real" vectors_2D nil)
(- const-decl "Vector" vectors_2D nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_times_real_is_real application-judgement "real" reals nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil))
nil))
(dot_pos_divergent 0
(dot_pos_divergent-2 nil 3479037612
("" (skeep)
(("" (lemma "dot_nneg_divergent")
(("" (inst?)
(("" (assert)
(("" (expand "dot_pos?")
(("" (assert) (("" (hide 2) (("" (grind) nil nil)) nil))
nil))
nil))
nil))
nil))
nil))
nil)
((dot_nneg_divergent formula-decl nil closest_approach_2D nil)
(real_ge_is_total_order name-judgement "(total_order?[real])"
real_props nil)
(sub_zero_right formula-decl nil vectors_2D nil)
(real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(real_times_real_is_real application-judgement "real" reals nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(/= const-decl "boolean" notequal nil)
(* const-decl "real" vectors_2D nil)
(comp_zero_y formula-decl nil vectors_2D nil)
(comp_zero_x formula-decl nil vectors_2D nil)
(dot_pos? const-decl "bool" closest_approach_relative_2D nil)
(zero const-decl "Vector" vectors_2D nil)
(Vector type-eq-decl nil vectors_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(real nonempty-type-from-decl nil reals nil))
nil)
(dot_pos_divergent-1 nil 3479037596 ("" (postpone) nil nil) nil
shostak))
(divergent_lt 0
(divergent_lt-1 nil 3474798522
("" (skeep)
(("" (lemma "divergent_t1_lt_t2")
(("" (inst?)
(("" (replaces -1)
(("" (expand "dist")
(("" (assert)
(("" (expand "sq_dist_at")
(("" (split)
(("1" (flatten)
(("1" (skeep)
(("1" (inst?)
(("1" (assert)
(("1" (rewrite "sqrt_lt") nil nil)) nil))
nil))
nil))
nil)
("2" (flatten)
(("2" (skeep)
(("2" (inst?)
(("2" (assert)
(("2" (rewrite "sqrt_lt") nil nil)) nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((divergent_t1_lt_t2 formula-decl nil closest_approach_2D nil)
(scal_zero formula-decl nil vectors_2D nil)
(add_zero_left formula-decl nil vectors_2D nil)
(real_lt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(real_le_is_total_order name-judgement "(total_order?[real])"
real_props nil)
(* const-decl "Vector" vectors_2D nil)
(+ const-decl "Vector" vectors_2D nil)
(sq_dist const-decl "nnreal" distance_2D nil)
(nnreal type-eq-decl nil real_types nil)
(nonneg_real nonempty-type-eq-decl nil real_types nil)
(>= const-decl "bool" reals nil)
(bool nonempty-type-eq-decl nil booleans nil)
(sqrt_lt formula-decl nil sqrt "reals/")
(number nonempty-type-decl nil numbers nil)
(boolean nonempty-type-decl nil booleans nil)
(number_field_pred const-decl "[number -> boolean]" number_fields
nil)
(number_field nonempty-type-from-decl nil number_fields nil)
(real_pred const-decl "[number_field -> boolean]" reals nil)
(sq_dist_at const-decl "nnreal" closest_approach_relative_2D nil)
(dist const-decl "nnreal" distance_2D nil)
(zero const-decl "Vector" vectors_2D nil)
(Vector type-eq-decl nil vectors_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(real nonempty-type-from-decl nil reals nil))
nil))
(divergent_dot_pos 0
(divergent_dot_pos-1 nil 3479037588
("" (skosimp*)
(("" (lemma "divergent_dot_nneg")
(("" (inst - "s!1" "zero" "v!1" "zero")
(("" (assert)
(("" (expand "dot_pos?") (("" (assert) nil nil)) nil)) nil))
nil))
nil))
nil)
((divergent_dot_nneg formula-decl nil closest_approach_2D nil)
(sub_zero_right formula-decl nil vectors_2D nil)
(real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(real_ge_is_total_order name-judgement "(total_order?[real])"
real_props nil)
(dot_pos? const-decl "bool" closest_approach_relative_2D nil)
(zero const-decl "Vector" vectors_2D nil)
(Vector type-eq-decl nil vectors_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(real nonempty-type-from-decl nil reals nil))
nil))
(diverg_dot_nneg 0
(diverg_dot_nneg-1 nil 3474890469
("" (skosimp*)
(("" (expand "dot_nneg?")
(("" (lemma "divergent_dot_nneg")
(("" (inst?) (("" (assert) nil nil)) nil)) nil))
nil))
nil)
((dot_nneg? const-decl "bool" closest_approach_relative_2D nil)
(real nonempty-type-from-decl nil reals nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(Vector type-eq-decl nil vectors_2D nil)
(zero const-decl "Vector" vectors_2D nil)
(real_ge_is_total_order name-judgement "(total_order?[real])"
real_props nil)
(sub_zero_right formula-decl nil vectors_2D nil)
(divergent_dot_nneg formula-decl nil closest_approach_2D nil))
nil))
(divergent_v_neq_0 0
(divergent_v_neq_0-1 nil 3474797479
("" (skosimp*)
(("" (lemma "divergent_u_neq_v")
(("" (inst?) (("" (assert) nil nil)) nil)) nil))
nil)
((divergent_u_neq_v formula-decl nil closest_approach_2D nil)
(zero const-decl "Vector" vectors_2D nil)
(Vector type-eq-decl nil vectors_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(real nonempty-type-from-decl nil reals nil))
shostak))
(dot_nneg_divergent_nzv 0
(dot_nneg_divergent_nzv-1 nil 3474797504
("" (skosimp*)
(("" (lemma "dot_nneg_divergent")
(("" (inst?)
(("" (assert)
(("" (expand "dot_nneg?")
(("" (lemma "divergent_dot_nneg")
(("" (inst?) (("" (ground) nil nil)) nil)) nil))
nil))
nil))
nil))
nil))
nil)
((dot_nneg_divergent formula-decl nil closest_approach_2D nil)
(real_ge_is_total_order name-judgement "(total_order?[real])"
real_props nil)
(sub_zero_right formula-decl nil vectors_2D nil)
(divergent_dot_nneg formula-decl nil closest_approach_2D nil)
(dot_nneg? const-decl "bool" closest_approach_relative_2D nil)
(Nz_vect2 type-eq-decl nil vectors_2D nil)
(/= const-decl "boolean" notequal nil)
(boolean nonempty-type-decl nil booleans nil)
(zero const-decl "Vector" vectors_2D nil)
(Vector type-eq-decl nil vectors_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(real nonempty-type-from-decl nil reals nil))
shostak))
(tau_TCC1 0
(tau_TCC1-1 nil 3475859208
("" (skosimp*)
(("" (lemma "sqv_eq_0") (("" (inst?) (("" (assert) nil nil)) nil))
nil))
nil)
((sqv_eq_0 formula-decl nil vectors_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(Vector type-eq-decl nil vectors_2D nil)
(real nonempty-type-from-decl nil reals nil))
nil))
(tau_is_min 0
(tau_is_min-2 nil 3475859357
("" (skosimp*)
(("" (lemma "time_cpa")
(("" (skoletin 1)
(("" (inst - "s!1" "zero" "Tau" "nzv!1" "zero")
(("" (split -2)
(("1" (hide -2)
(("1"
(case-replace
"(LAMBDA t: sq_dist(s!1 + t * nzv!1, zero + t * zero)) =
(LAMBDA t: sq(norm(s!1 + t * nzv!1)))")
(("1" (apply-extensionality 1 :hide? t)
(("1" (hide -1 2)
(("1" (rewrite "dot_sq_norm" :dir rl)
(("1" (grind) nil nil)) nil))
nil))
nil))
nil))
nil)
("2" (hide 2)
(("2" (expand "tau_2D")
(("2" (expand "time_closest")
(("2" (lift-if)
(("2" (assert)
(("2" (ground)
(("2" (rewrite "dot_sq_norm" :dir rl)
(("2" (expand "sqv") (("2" (propax) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((time_cpa formula-decl nil closest_approach_2D nil)
(time_closest const-decl "real" closest_approach_2D nil)
(sq_nz_pos application-judgement "posreal" sq "reals/")
(nz_sqv_gt_0 application-judgement "posreal" vectors_2D nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(sub_zero_right formula-decl nil vectors_2D nil)
(sqv const-decl "nnreal" vectors_2D nil)
(nz_norm_gt_0 application-judgement "posreal" vectors_2D nil)
(add_zero_left formula-decl nil vectors_2D nil)
(scal_zero formula-decl nil vectors_2D nil)
(dot_sq_norm formula-decl nil vectors_2D nil)
(real_times_real_is_real application-judgement "real" reals nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(nnreal_plus_nnreal_is_nnreal application-judgement "nnreal"
real_types nil)
(real_minus_real_is_real application-judgement "real" reals nil)
(* const-decl "real" vectors_2D nil)
(comp_zero_y formula-decl nil vectors_2D nil)
(comp_zero_x formula-decl nil vectors_2D nil)
(sq_dist const-decl "nnreal" distance_2D nil)
(is_minimum? const-decl "bool" quad_minmax "reals/")
(>= const-decl "bool" reals nil)
(nonneg_real nonempty-type-eq-decl nil real_types nil)
(sq const-decl "nonneg_real" sq "reals/")
(nnreal type-eq-decl nil real_types nil)
(norm const-decl "nnreal" vectors_2D nil)
(+ const-decl "Vector" vectors_2D nil)
(* const-decl "Vector" vectors_2D nil)
(tau_2D const-decl "real" closest_approach_relative_2D nil)
(real_pred const-decl "[number_field -> boolean]" reals nil)
(number_field nonempty-type-from-decl nil number_fields nil)
(number_field_pred const-decl "[number -> boolean]" number_fields
nil)
(Nz_vect2 type-eq-decl nil vectors_2D nil)
(zero const-decl "Vector" vectors_2D nil)
(/= const-decl "boolean" notequal nil)
(Vector type-eq-decl nil vectors_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(real nonempty-type-from-decl nil reals nil)
(= const-decl "[T, T -> boolean]" equalities nil)
(boolean nonempty-type-decl nil booleans nil)
(number nonempty-type-decl nil numbers nil)
(IFF const-decl "[bool, bool -> bool]" booleans nil)
(bool nonempty-type-eq-decl nil booleans nil))
nil)
(tau_is_min-1 nil 3474890758
("" (skosimp*)
(("" (lemma "time_cpa")
(("" (skoletin 1)
(("" (inst - "s!1" "zero" "tau" "nzv!1" "zero")
(("" (split -2)
(("1" (hide -2)
(("1"
(case-replace
"(LAMBDA t: sq_dist(s!1 + t * nzv!1, zero + t * zero)) =
(LAMBDA t: sq(norm(s!1 + t * nzv!1)))")
(("1" (apply-extensionality 1 :hide? t)
(("1" (hide -1 2)
(("1" (rewrite "dot_sq_norm" :dir rl)
(("1" (grind) nil nil)) nil))
nil))
nil))
nil))
nil)
("2" (hide 2)
(("2" (expand "tau_2D")
(("2" (expand "time_closest")
(("2" (lift-if)
(("2" (assert)
(("2" (ground)
(("2" (rewrite "dot_sq_norm" :dir rl)
(("2" (expand "sqv") (("2" (propax) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((Nz_vect2 type-eq-decl nil vectors_2D nil)
(zero const-decl "Vector" vectors_2D nil)
(Vector type-eq-decl nil vectors_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(is_minimum? const-decl "bool" quad_minmax "reals/")
(sq const-decl "nonneg_real" sq "reals/")
(norm const-decl "nnreal" vectors_2D nil)
(+ const-decl "Vector" vectors_2D nil)
(* const-decl "Vector" vectors_2D nil)
(sq_dist const-decl "nnreal" distance_2D nil)
(comp_zero_x formula-decl nil vectors_2D nil)
(comp_zero_y formula-decl nil vectors_2D nil)
(* const-decl "real" vectors_2D nil)
(dot_sq_norm formula-decl nil vectors_2D nil)
(scal_zero formula-decl nil vectors_2D nil)
(add_zero_left formula-decl nil vectors_2D nil)
(nz_norm_gt_0 application-judgement "posreal" vectors_2D nil)
(sqv const-decl "nnreal" vectors_2D nil)
(sub_zero_right formula-decl nil vectors_2D nil)
(nz_sqv_gt_0 application-judgement "posreal" vectors_2D nil)
(sq_nz_pos application-judgement "posreal" sq "reals/")
(time_closest const-decl "real" closest_approach_2D nil)
(time_cpa formula-decl nil closest_approach_2D nil))
shostak))
(dist_tau_min 0
(dist_tau_min-1 nil 3475859369
("" (skosimp*)
(("" (expand "dist_tau")
(("" (expand "tau")
(("" (lift-if)
(("" (split +)
(("1" (flatten)
(("1" (assert)
(("1" (replace -1) (("1" (assert) nil nil)) nil)) nil))
nil)
("2" (flatten)
(("2" (lemma "tau_is_min")
(("2" (inst - "v!1" "s!1")
(("1" (assert)
(("1" (expand "is_minimum?")
(("1" (expand "tau_2D")
(("1" (inst - "t!1")
(("1" (assert)
(("1" (lemma "sq_le")
(("1"
(inst?)
(("1" (assert) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
("2" (assert) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((dist_tau const-decl "real" closest_approach_relative_2D nil)
(zero const-decl "Vector" vectors_2D nil)
(v!1 skolem-const-decl "Vect2" closest_approach_relative_2D nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(/= const-decl "boolean" notequal nil)
(boolean nonempty-type-decl nil booleans nil)
(Vector type-eq-decl nil vectors_2D nil)
(real nonempty-type-from-decl nil reals nil)
(Nz_vect2 type-eq-decl nil vectors_2D nil)
(is_minimum? const-decl "bool" quad_minmax "reals/")
(real_pred const-decl "[number_field -> boolean]" reals nil)
(number_field nonempty-type-from-decl nil number_fields nil)
(number_field_pred const-decl "[number -> boolean]" number_fields
nil)
(number nonempty-type-decl nil numbers nil)
(sq_le formula-decl nil sq "reals/")
(sqv const-decl "nnreal" vectors_2D nil)
(* const-decl "real" vectors_2D nil)
(- const-decl "[numfield -> numfield]" number_fields nil)
(/ const-decl "[numfield, nznum -> numfield]" number_fields nil)
(nznum nonempty-type-eq-decl nil number_fields nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(* const-decl "Vector" vectors_2D nil)
(+ const-decl "Vector" vectors_2D nil)
(norm const-decl "nnreal" vectors_2D nil)
(nnreal type-eq-decl nil real_types nil)
(nonneg_real nonempty-type-eq-decl nil real_types nil)
(>= const-decl "bool" reals nil)
(bool nonempty-type-eq-decl nil booleans nil)
(tau_2D const-decl "real" closest_approach_relative_2D nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(minus_real_is_real application-judgement "real" reals nil)
(tau_is_min formula-decl nil closest_approach_relative_2D nil)
(scal_zero formula-decl nil vectors_2D nil)
(add_zero_right formula-decl nil vectors_2D nil)
(scal_0 formula-decl nil vectors_2D nil)
(real_le_is_total_order name-judgement "(total_order?[real])"
real_props nil)
(tau const-decl "real" closest_approach_relative_2D nil))
shostak))
(tau_sqv_min 0
(tau_sqv_min-1 nil 3475860222
("" (skosimp*)
(("" (expand "tau")
(("" (lift-if)
(("" (split +)
(("1" (flatten)
(("1" (assert)
(("1" (replace -1) (("1" (assert) nil nil)) nil)) nil))
nil)
("2" (flatten)
(("2" (lemma "tau_is_min")
(("2" (inst - "v!1" "s!1")
(("1" (assert)
(("1" (expand "is_minimum?")
(("1" (expand "tau_2D")
(("1" (inst - "t!1")
(("1" (rewrite "sq_norm")
(("1" (rewrite "sq_norm") nil nil)) nil))
nil))
nil))
nil))
nil)
("2" (assert) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((tau const-decl "real" closest_approach_relative_2D nil)
(real_le_is_total_order name-judgement "(total_order?[real])"
real_props nil)
(add_zero_right formula-decl nil vectors_2D nil)
(scal_0 formula-decl nil vectors_2D nil)
(scal_zero formula-decl nil vectors_2D nil)
(tau_is_min formula-decl nil closest_approach_relative_2D nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(tau_2D const-decl "real" closest_approach_relative_2D nil)
(sq_norm formula-decl nil vectors_2D nil)
(+ const-decl "Vector" vectors_2D nil)
(* const-decl "Vector" vectors_2D nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(nznum nonempty-type-eq-decl nil number_fields nil)
(/ const-decl "[numfield, nznum -> numfield]" number_fields nil)
(- const-decl "[numfield -> numfield]" number_fields nil)
(* const-decl "real" vectors_2D nil)
(bool nonempty-type-eq-decl nil booleans nil)
(>= const-decl "bool" reals nil)
(nnreal type-eq-decl nil real_types nil)
(sqv const-decl "nnreal" vectors_2D nil)
(number nonempty-type-decl nil numbers nil)
(number_field_pred const-decl "[number -> boolean]" number_fields
nil)
(number_field nonempty-type-from-decl nil number_fields nil)
(real_pred const-decl "[number_field -> boolean]" reals nil)
(is_minimum? const-decl "bool" quad_minmax "reals/")
(Nz_vect2 type-eq-decl nil vectors_2D nil)
(real nonempty-type-from-decl nil reals nil)
(Vector type-eq-decl nil vectors_2D nil)
(boolean nonempty-type-decl nil booleans nil)
(/= const-decl "boolean" notequal nil)
(Vect2 type-eq-decl nil vectors_2D_def nil)
(v!1 skolem-const-decl "Vect2" closest_approach_relative_2D nil)
(zero const-decl "Vector" vectors_2D nil))
nil)))
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