-
Notifications
You must be signed in to change notification settings - Fork 50
/
quad_minmax.prf
2190 lines (2189 loc) · 105 KB
/
quad_minmax.prf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
(quad_minmax
(quad_minmaxpt_delta 0
(quad_minmaxpt_delta-1 nil 3431167126
("" (skosimp*) (("" (assert) (("" (grind) nil nil)) nil)) nil)
((real_minus_real_is_real application-judgement "real" reals nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(real_times_real_is_real application-judgement "real" reals nil)
(quadratic const-decl "real" quadratic nil)
(sq const-decl "nonneg_real" sq nil))
shostak))
(quad_minmaxpt_midpt 0
(quad_minmaxpt_midpt-1 nil 3431169310
("" (skosimp*)
(("" (assert)
(("" (expand "quadratic")
(("" (ground)
(("" (expand "sq")
(("" (move-terms -1 r 2)
(("" (move-terms -1 l 1)
(("" (factor -1 l)
(("" (isolate-mult -1 l 1)
(("" (replace -2) (("" (cross-mult 2) nil nil)) nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((real_plus_real_is_real application-judgement "real" reals nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(real_minus_real_is_real application-judgement "real" reals nil)
(boolean nonempty-type-decl nil booleans nil)
(bool nonempty-type-eq-decl nil booleans nil)
(IFF const-decl "[bool, bool -> bool]" booleans nil)
(number nonempty-type-decl nil numbers nil)
(= const-decl "[T, T -> boolean]" equalities nil)
(number_field_pred const-decl "[number -> boolean]" number_fields nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(+ const-decl "[numfield, numfield -> numfield]" number_fields nil)
(* const-decl "[numfield, numfield -> numfield]" number_fields nil)
(number_field nonempty-type-from-decl nil number_fields nil)
(real_pred const-decl "[number_field -> boolean]" reals nil)
(real nonempty-type-from-decl nil reals nil)
(/= const-decl "boolean" notequal nil)
(nonzero_real nonempty-type-eq-decl nil reals nil)
(- const-decl "[numfield, numfield -> numfield]" number_fields nil)
(/ const-decl "[numfield, nznum -> numfield]" number_fields nil)
(nznum nonempty-type-eq-decl nil number_fields nil)
(- const-decl "[numfield -> numfield]" number_fields nil)
(times_div2 formula-decl nil real_props nil)
(div_cancel4 formula-decl nil real_props nil)
(div_cancel3 formula-decl nil real_props nil)
(times_div_cancel1 formula-decl nil extra_real_props nil)
(both_sides_div1 formula-decl nil real_props nil)
(sq const-decl "nonneg_real" sq nil)
(quadratic const-decl "real" quadratic nil)
(real_times_real_is_real application-judgement "real" reals nil))
shostak))
(quad_min 0
(quad_min-3 "" 3431087055
("" (skosimp*)
(("" (assert)
(("" (expand "is_minimum?")
(("" (skosimp*)
(("" (expand "quadratic")
((""
(claim "%1 = %2 + a!1 * sq(y!1+b!1/(2*a!1))" t (! 1 r) (! 1 l))
(("" (replace -1 :hide? t)
(("" (move-terms 1 l *)
(("" (assert) (("" (mult-cases 1) nil nil)) nil)) nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(number nonempty-type-decl nil numbers nil)
(boolean nonempty-type-decl nil booleans nil)
(= const-decl "[T, T -> boolean]" equalities nil)
(number_field_pred const-decl "[number -> boolean]" number_fields nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(+ const-decl "[numfield, numfield -> numfield]" number_fields nil)
(* const-decl "[numfield, numfield -> numfield]" number_fields nil)
(number_field nonempty-type-from-decl nil number_fields nil)
(real_pred const-decl "[number_field -> boolean]" reals nil)
(real nonempty-type-from-decl nil reals nil)
(/= const-decl "boolean" notequal nil)
(nonzero_real nonempty-type-eq-decl nil reals nil)
(bool nonempty-type-eq-decl nil booleans nil)
(>= const-decl "bool" reals nil)
(nonneg_real nonempty-type-eq-decl nil real_types nil)
(sq const-decl "nonneg_real" sq 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)
(real_times_real_is_real application-judgement "real" reals nil)
(- const-decl "[numfield, numfield -> numfield]" number_fields nil)
(<= const-decl "bool" reals nil)
(IFF const-decl "[bool, bool -> bool]" booleans nil)
(real_minus_real_is_real application-judgement "real" reals nil)
(real_le_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(pos_times_le formula-decl nil real_props nil)
(quadratic const-decl "real" quadratic nil)
(is_minimum? const-decl "bool" quad_minmax nil))
shostak)
(quad_min-2 nil 3419262257
("" (skosimp*)
(("" (assert)
(("" (flatten)
(("" (lemma "quadratic_min")
(("" (inst?)
(("" (inst - " quadratic(a!1, b!1, c!1)" "-b!1 / (2 * a!1)")
(("" (assert) nil nil)) nil))
nil))
nil))
nil))
nil))
nil)
((sq const-decl "nonneg_real" sq nil) (sq_pos formula-decl nil sq nil)
(sign const-decl "Sign" sign nil)
(sign_mult_pos formula-decl nil sign nil)
(quadratic const-decl "real" quadratic nil))
nil)
(quad_min-1 nil 3402151759
("" (skosimp*)
(("" (assert)
(("" (flatten)
(("" (lemma "quadratic_min")
((""
(inst - "a!1" "b!1" "c!1" "quadratic(a!1,b!1,c!1)" "-b!1/(2*a!1)")
(("" (assert) nil nil)) nil))
nil))
nil))
nil))
nil)
((quadratic const-decl "real" quadratic nil)) shostak))
(quad_min_val 0
(quad_min_val-2 "" 3431087665
("" (skosimp*)
(("" (assert)
(("" (use "quad_min")
(("" (ground)
(("" (expand "is_minimum?")
(("" (inst?) (("" (grind) nil nil)) nil)) nil))
nil))
nil))
nil))
nil)
((real_ge_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(real_minus_real_is_real application-judgement "real" reals nil)
(real_times_real_is_real application-judgement "real" reals nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(real_le_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(quadratic const-decl "real" quadratic nil)
(sq const-decl "nonneg_real" sq nil)
(is_minimum? const-decl "bool" quad_minmax nil)
(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)
(real nonempty-type-from-decl nil reals nil)
(/= const-decl "boolean" notequal nil)
(nonzero_real nonempty-type-eq-decl nil reals nil)
(quad_min formula-decl nil quad_minmax nil))
shostak)
(quad_min_val-1 nil 3402151883
("" (skosimp*)
(("" (lemma "quadratic_min_val")
((""
(inst - "a!1" "b!1" "c!1" "quadratic(a!1,b!1,c!1)" "-b!1/(2*a!1)"
"x!1")
(("" (assert) nil nil)) nil))
nil))
nil)
((quadratic const-decl "real" quadratic nil)
(sq const-decl "nonneg_real" sq nil))
shostak))
(quad_min_mono_inc 0
(quad_min_mono_inc-2 "" 3431091514
("" (skosimp*)
(("" (assert)
(("" (flatten)
(("" (expand "quadratic")
(("" (rewrite "canonical_sq")
(("" (rewrite "canonical_sq")
(("" (field :cancel? t)
(("" (rewrite "sq_gt") (("" (grind-reals) nil nil)) nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((real_ge_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(quadratic const-decl "real" quadratic nil)
(sq_gt formula-decl nil sq nil)
(zero_times1 formula-decl nil real_props nil)
(div_mult_pos_ge1 formula-decl nil real_props nil)
(nzreal_div_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(div_97 skolem-const-decl "nzreal" quad_minmax nil)
(nzreal nonempty-type-eq-decl nil reals nil)
(both_sides_plus_gt1 formula-decl nil real_props nil)
(both_sides_minus_ge1 formula-decl nil real_props nil)
(both_sides_minus_gt1 formula-decl nil real_props nil)
(both_sides_times_pos_ge2 formula-decl nil real_props nil)
(both_sides_times_pos_gt2 formula-decl nil real_props nil)
(neg_times_le formula-decl nil real_props nil)
(pos_times_ge formula-decl nil real_props nil)
(real_lt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(both_sides_times_pos_le1_imp formula-decl nil extra_real_props nil)
(- const-decl "[numfield, numfield -> numfield]" number_fields nil)
(fdx_96 skolem-const-decl "nonzero_real" quad_minmax nil)
(real_le_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(> const-decl "bool" reals nil)
(= const-decl "[T, T -> boolean]" equalities nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(* const-decl "[numfield, numfield -> numfield]" number_fields nil)
(>= const-decl "bool" reals nil)
(nonneg_real nonempty-type-eq-decl nil real_types nil)
(sq const-decl "nonneg_real" sq nil)
(+ const-decl "[numfield, numfield -> numfield]" number_fields nil)
(nznum nonempty-type-eq-decl nil number_fields nil)
(/ const-decl "[numfield, nznum -> numfield]" number_fields nil)
(TRUE const-decl "bool" booleans nil)
(id const-decl "(bijective?[T, T])" identity nil)
(bijective? const-decl "bool" functions nil)
(bool nonempty-type-eq-decl nil booleans nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(real_times_real_is_real application-judgement "real" reals nil)
(real_minus_real_is_real application-judgement "real" reals nil)
(nonzero_real nonempty-type-eq-decl nil reals nil)
(/= const-decl "boolean" notequal nil)
(real nonempty-type-from-decl nil reals 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)
(boolean nonempty-type-decl nil booleans nil)
(number nonempty-type-decl nil numbers nil)
(canonical_sq formula-decl nil quadratic nil))
shostak)
(quad_min_mono_inc-1 nil 3402151913
("" (skosimp*)
(("" (lemma "quadratic_min_mono_inc")
((""
(inst - "a!1" "b!1" "c!1" "quadratic(a!1,b!1,c!1)" "-b!1/(2*a!1)"
"x!1" "y!1")
(("" (assert) (("" (flatten) (("" (assert) nil nil)) nil)) nil)) nil))
nil))
nil)
((quadratic const-decl "real" quadratic nil)
(sq_gt formula-decl nil sq nil)
(canonical_sq formula-decl nil quadratic nil))
shostak))
(quad_min_mono_dec 0
(quad_min_mono_dec-2 "" 3431091966
("" (skosimp*)
(("" (assert)
(("" (flatten)
(("" (expand "quadratic")
(("" (rewrite "canonical_sq")
(("" (rewrite "canonical_sq")
(("" (field :cancel? t)
(("" (lemma "sq_gt")
(("" (invoke (inst - "-(%! 1 l 1%)" "-(%! 1 r 1%)"))
(("1" (assert)
(("1" (rewrite "sq_neg")
(("1" (rewrite "sq_neg") nil nil)) nil))
nil)
("2" (grind-reals) nil nil) ("3" (grind-reals) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((real_le_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(real_lt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(quadratic const-decl "real" quadratic nil)
(sq_gt formula-decl nil sq nil) (sq_neg formula-decl nil sq nil)
(- const-decl "[numfield -> numfield]" number_fields nil)
(b!1 skolem-const-decl "real" quad_minmax nil)
(a!1 skolem-const-decl "nonzero_real" quad_minmax nil)
(x!1 skolem-const-decl "real" quad_minmax nil)
(y!1 skolem-const-decl "real" quad_minmax nil)
(zero_times1 formula-decl nil real_props nil)
(div_mult_pos_ge1 formula-decl nil real_props nil)
(nzreal_div_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(div_99 skolem-const-decl "nzreal" quad_minmax nil)
(nzreal nonempty-type-eq-decl nil reals nil)
(both_sides_plus_gt1 formula-decl nil real_props nil)
(both_sides_minus_ge1 formula-decl nil real_props nil)
(both_sides_minus_gt1 formula-decl nil real_props nil)
(both_sides_times_pos_ge2 formula-decl nil real_props nil)
(both_sides_times_pos_gt2 formula-decl nil real_props nil)
(neg_times_le formula-decl nil real_props nil)
(pos_times_ge formula-decl nil real_props nil)
(both_sides_times_pos_le1_imp formula-decl nil extra_real_props nil)
(- const-decl "[numfield, numfield -> numfield]" number_fields nil)
(fdx_98 skolem-const-decl "nonzero_real" quad_minmax nil)
(real_ge_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(> const-decl "bool" reals nil)
(= const-decl "[T, T -> boolean]" equalities nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(* const-decl "[numfield, numfield -> numfield]" number_fields nil)
(>= const-decl "bool" reals nil)
(nonneg_real nonempty-type-eq-decl nil real_types nil)
(sq const-decl "nonneg_real" sq nil)
(+ const-decl "[numfield, numfield -> numfield]" number_fields nil)
(nznum nonempty-type-eq-decl nil number_fields nil)
(/ const-decl "[numfield, nznum -> numfield]" number_fields nil)
(TRUE const-decl "bool" booleans nil)
(id const-decl "(bijective?[T, T])" identity nil)
(bijective? const-decl "bool" functions nil)
(bool nonempty-type-eq-decl nil booleans nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(real_times_real_is_real application-judgement "real" reals nil)
(real_minus_real_is_real application-judgement "real" reals nil)
(nonzero_real nonempty-type-eq-decl nil reals nil)
(/= const-decl "boolean" notequal nil)
(real nonempty-type-from-decl nil reals 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)
(boolean nonempty-type-decl nil booleans nil)
(number nonempty-type-decl nil numbers nil)
(canonical_sq formula-decl nil quadratic nil))
shostak)
(quad_min_mono_dec-1 nil 3402151950
("" (skosimp*)
(("" (lemma "quadratic_min_mono_dec")
((""
(inst - "a!1" "b!1" "c!1" "quadratic(a!1,b!1,c!1)" "-b!1/(2*a!1)"
"x!1" "y!1")
(("" (assert) nil nil)) nil))
nil))
nil)
((quadratic const-decl "real" quadratic nil)
(sq_gt formula-decl nil sq nil) (sq_neg formula-decl nil sq nil)
(canonical_sq formula-decl nil quadratic nil))
shostak))
(quad_min_eq_intv 0
(quad_min_eq_intv-1 nil 3402152204
("" (skosimp*)
(("" (case "t!1 > - b!1/(2*a!1)")
(("1" (lemma "quad_min_mono_inc")
(("1" (inst - "a!1" "b!1" "c!1" "xu!1" "t!1")
(("1" (assert) (("1" (assert) nil nil)) nil)) nil))
nil)
("2" (lemma "quad_min_mono_dec")
(("2" (inst - "a!1" "b!1" "c!1" "xl!1" "t!1")
(("2" (assert) (("2" (assert) nil nil)) nil)) nil))
nil))
nil))
nil)
((nonzero_real nonempty-type-eq-decl nil reals nil)
(* const-decl "[numfield, numfield -> numfield]" number_fields 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)
(/= const-decl "boolean" notequal nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(> const-decl "bool" reals nil)
(bool nonempty-type-eq-decl nil booleans nil)
(real nonempty-type-from-decl nil reals 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)
(boolean nonempty-type-decl nil booleans nil)
(number nonempty-type-decl nil numbers nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(minus_real_is_real application-judgement "real" reals 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)
(real_lt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(quad_min_mono_inc formula-decl nil quad_minmax nil)
(real_le_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(quad_min_mono_dec formula-decl nil quad_minmax nil))
nil))
(quad_min_eq_is_in 0
(quad_min_eq_is_in-3 "" 3431163518
("" (skosimp*)
(("" (lemma "quad_min_mono_inc")
(("" (inst - "a!1" "b!1" "c!1" "t!1" "xu!1")
(("" (lemma "quad_min_mono_dec")
(("" (inst - "a!1" "b!1" "c!1" "t!1" "xl!1")
(("" (assert)
(("" (assert)
(("" (lemma "quad_minmaxpt_midpt")
(("" (inst - "a!1" "b!1" "c!1" "xl!1" "xu!1")
(("" (assert)
(("" (replace -1) (("" (assert) nil nil)) nil)) nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((quad_min_mono_inc formula-decl nil quad_minmax nil)
(quad_min_mono_dec formula-decl nil quad_minmax nil)
(real_ge_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(real_le_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(real_lt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(minus_real_is_real application-judgement "real" reals nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(quad_minmaxpt_midpt formula-decl nil quad_minmax nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(nonzero_real nonempty-type-eq-decl nil reals nil)
(/= const-decl "boolean" notequal nil)
(real nonempty-type-from-decl nil reals 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)
(boolean nonempty-type-decl nil booleans nil)
(number nonempty-type-decl nil numbers nil))
shostak)
(quad_min_eq_is_in-2 "" 3431105996
("" (skosimp*)
(("" (lemma "canonical_sq")
(("" (inst - "a!1" "b!1" "c!1" "_")
(("" (copy -1)
(("" (copy -1)
(("" (inst - "xl!1")
(("" (inst - "xu!1")
(("" (inst - "t!1")
(("" (expand "quadratic")
(("" (both-sides "+" "c!1" -5)
(("" (replace -1 :hide? t)
(("" (replace -1 :hide? t)
(("" (replace -1 :hide? t)
(("" (field -2)
(("" (field -3)
(("" (cancel -5)
(("" (cancel -5)
(("" (cancel-by -4 "a!1")
((""
(use "sq_lt_abs")
((""
(assert)
((""
(replace -2 :dir rl)
((""
(use "sq_lt_abs")
((""
(assert)
((""
(use "sq_eq_abs")
((""
(assert)
((""
(claim "xl!1 = -xu!1" t)
(("1"
(postpone)
nil
nil)
("2"
(claim
"(xl!1 + xu!1)/2 = -b!1/(2*a!1)"
t)
(("2"
(flip-ineq 3)
(("2"
(lemma
"quad_min_mono_inc")
(("2"
(inst
-
"a!1"
"b!1"
"c!1"
"t!1"
"xu!1")
(("2"
(assert)
(("2"
(lemma
"quad_min_mono_dec")
(("2"
(inst
-
"a!1"
"b!1"
"c!1"
"t!1"
"xl!1")
(("2"
(assert)
(("2"
(split
-3)
(("1"
(assert)
(("1"
(split
-2)
(("1"
(hide
-3)
(("1"
(expand
"quadratic")
(("1"
(move-terms
-1
r
-1)
(("1"
(assert)
(("1"
(expand
"sq")
(("1"
(assert)
(("1"
(cancel-terms
-11
l)
(("1"
(assert)
(("1"
(move-terms
-11
r
1)
(("1"
(factor
-11
l
(1
3))
(("1"
(postpone)
nil
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
("2"
(postpone)
nil
nil))
nil))
nil)
("2"
(postpone)
nil
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
nil shostak)
(quad_min_eq_is_in-1 nil 3402152282
("" (skosimp*)
(("" (lemma "canonical_sq")
(("" (inst - "a!1" "b!1" "c!1" "_")
(("" (copy -1)
(("" (copy -1)
(("" (inst - "xl!1")
(("" (inst - "xu!1")
(("" (inst - "t!1")
(("" (expand "quadratic")
(("" (assert)
(("" (both-sides "+" "c!1" -5)
(("" (replace -1)
(("" (hide -1)
(("" (replace -1)
(("" (hide -1)
(("" (replace -1)
(("" (hide -1)
(("" (assert)
((""
(div-by -2 "a!1")
((""
(field -3)
((""
(both-sides "-" "4*(a!1*c!1)" -5)
((""
(assert)
((""
(both-sides "+" "sq(b!1)" -5)
((""
(case
"sq(b!1 / (2 * a!1) + t!1) * sq(a!1) <
sq(b!1 / (2 * a!1) + xu!1) * sq(a!1)")
(("1"
(div-by -1 "sq(a!1)")
(("1"
(hide -6)
(("1"
(lemma "sq_eq_abs")
(("1"
(inst?)
(("1"
(assert)
(("1"
(expand "abs")
(("1"
(lift-if)
(("1"
(lift-if)
(("1"
(ground)
(("1"
(replace
-2
*
rl)
(("1"
(rewrite
"sq_neg")
(("1"
(lemma
"sq_lt")
(("1"
(inst
-
"-(b!1 / (2 * a!1) + t!1)"
"-(b!1 / (2 * a!1) + xl!1)")
(("1"
(rewrite
"sq_neg")
(("1"
(rewrite
"sq_neg")
(("1"
(assert)
nil
nil))
nil))
nil))
nil))
nil))
nil))
nil)
("2"
(lemma
"sq_lt")
(("2"
(inst
-
"(b!1 / (2 * a!1) + t!1)"
"-(b!1 / (2 * a!1) + xu!1)")
(("1"
(rewrite
"sq_neg")
(("1"
(assert)
nil
nil))
nil)
("2"
(assert)
(("2"
(lemma
"sq_lt")
(("2"
(inst
-
"(b!1 / (2 * a!1) + t!1)"
"(b!1 / (2 * a!1) + xu!1)")
(("2"
(assert)
nil
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
("2"
(hide-all-but (-5 1))
(("2" (grind) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((quadratic const-decl "real" quadratic nil)
(sq const-decl "nonneg_real" sq nil)
(sq_nz_pos application-judgement "posreal" sq nil)
(sq_eq_abs formula-decl nil sq nil) (sq_neg formula-decl nil sq nil)
(sq_lt formula-decl nil sq nil)
(canonical_sq formula-decl nil quadratic nil))
nil))
(quad_loc_min_is_glob_min 0
(quad_loc_min_is_glob_min-1 nil 3462526082
("" (skosimp*)
(("" (case "x!1 < -b!1/(2*a!1)")
(("1" (name "h" "min(epsil!1/2,-b!1/(2*a!1) - x!1)")
(("1" (label "hname" -1)
(("1" (label "xcase" -2)
(("1" (label "age" -3)
(("1" (label "bp" -4)
(("1" (label "finalone" 1)
(("1" (inst - "x!1+h")
(("1" (prop)
(("1" (lemma "quad_min_mono_dec")
(("1" (inst - "a!1" "b!1" "c!1" "x!1" "x!1 + h")
(("1" (assert)
(("1" (prop)
(("1" (grind) nil nil)
("2" (both-sides "-" "x!1" "xcase")
(("2" (assert) (("2" (grind) nil nil)) nil))
nil)
("3" (grind) nil nil))
nil))
nil))
nil))
nil)
("2" (expand "min")
(("2" (lift-if)
(("2" (assert)
(("2" (prop)
(("2" (both-sides "-" "x!1" "bp")
(("2" (assert)
(("2" (both-sides "-" "x!1" "xcase")
(("2" (assert) (("2" (grind) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
("3" (both-sides "-" "x!1" "bp")
(("3" (assert) nil nil)) nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
("2" (name "h" "min(epsil!1/2,b!1/(2*a!1) + x!1)")
(("2" (inst - "x!1-h")
(("2" (assert)
(("2" (prop)
(("1" (label "quadr" -1)
(("1" (label "hname" -2)
(("1" (label "age" -3)
(("1" (lemma "quad_min_mono_inc")
(("1" (inst - "a!1" "b!1" "c!1" "x!1" "x!1-h")
(("1" (case "x!1 > -b!1/(2*a!1)")
(("1" (label "xcase" -1)
(("1" (label "lem1" -2)
(("1" (assert)
(("1" (prop)
(("1" (grind) nil nil)
("2" (both-sides "+" "b!1/(2*a!1)" "xcase")
(("1"
(case-replace
"-b!1 / (2 * a!1) + b!1 / (2 * a!1) = 0")
(("1"
(expand "min")
(("1"
(lift-if)
(("1"
(prop)
(("1" (grind) nil nil)
("2" (grind) nil nil))
nil))
nil))
nil)
("2" (grind) nil nil))
nil)
("2" (grind) nil nil))
nil))
nil))
nil))
nil))
nil)
("2" (assert) nil nil))
nil))
nil))
nil))
nil))
nil))
nil)
("2" (case "x!1 > -b!1/(2*a!1)")
(("1" (label "xcase" -1)
(("1" (both-sides "+" "b!1/(2*a!1)" "xcase")
(("1"
(case-replace "-b!1 / (2 * a!1) + b!1 / (2 * a!1) = 0")
(("1" (grind) nil nil) ("2" (assert) nil nil)) nil)
("2" (assert) nil nil))
nil))
nil)
("2" (assert) nil nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((nonzero_real nonempty-type-eq-decl nil reals nil)
(* const-decl "[numfield, numfield -> numfield]" number_fields 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)
(/= const-decl "boolean" notequal nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(< const-decl "bool" reals nil)
(bool nonempty-type-eq-decl nil booleans nil)
(real nonempty-type-from-decl nil reals 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)
(boolean nonempty-type-decl nil booleans nil)
(number nonempty-type-decl nil numbers nil)
(real_div_nzreal_is_real application-judgement "real" reals nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal" real_types
nil)
(real_times_real_is_real application-judgement "real" reals nil)
(quadratic const-decl "real" quadratic nil)
(sq const-decl "nonneg_real" sq nil)
(both_sides_minus_lt1 formula-decl nil real_props nil)
(pos_times_gt formula-decl nil real_props nil)
(pos_times_ge formula-decl nil real_props nil)
(neg_times_lt formula-decl nil real_props nil)
(neg_times_le formula-decl nil real_props nil)
(NOT const-decl "[bool -> bool]" booleans nil)
(real_gt_is_strict_total_order name-judgement
"(strict_total_order?[real])" real_props 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)
(real_ge_is_total_order name-judgement "(total_order?[real])" real_props
nil)
(quad_min_mono_dec formula-decl nil quad_minmax nil)
(both_sides_plus_le1 formula-decl nil real_props nil)
(both_sides_plus_lt1 formula-decl nil real_props nil)
(both_sides_plus_lt2 formula-decl nil real_props nil)
(+ const-decl "[numfield, numfield -> numfield]" number_fields nil)
(real_plus_real_is_real application-judgement "real" reals nil)
(minus_real_is_real application-judgement "real" reals nil)
(posreal_div_posreal_is_posreal application-judgement "posreal" real_types
nil)
(real_minus_real_is_real application-judgement "real" reals nil)
(= const-decl "[T, T -> boolean]" equalities nil)
(AND const-decl "[bool, bool -> bool]" booleans nil)
(<= const-decl "bool" reals nil)
(min const-decl "{p: real | p <= m AND p <= n}" real_defs nil)
(>= const-decl "bool" reals nil)
(nonneg_real nonempty-type-eq-decl nil real_types nil)
(> const-decl "bool" reals nil)
(posreal nonempty-type-eq-decl nil real_types nil)
(- const-decl "[numfield, numfield -> numfield]" number_fields nil)
(quad_min_mono_inc formula-decl nil quad_minmax nil)
(div_distributes formula-decl nil real_props nil))
shostak))
(quad_max 0
(quad_max-2 "" 3431164981
("" (skosimp*)
(("" (assert)
(("" (expand "is_maximum?")
(("" (skosimp*)
(("" (expand "quadratic")
((""
(claim "%1 = %2 + a!1 * sq(y!1+b!1/(2*a!1))" t (! 1 r) (! 1 l))
(("" (replace -1 :hide? t)
(("" (move-terms 1 l *)