Theorem tgbtwnconn1lem2 25884

Description: Lemma for tgbtwnconn1 25886. (Contributed by Thierry Arnoux, 30-Apr-2019.)

Hypotheses

Ref	Expression
tgbtwnconn1.p	⊢ 𝑃 = (Base‘𝐺)
tgbtwnconn1.i	⊢ 𝐼 = (Itv‘𝐺)
tgbtwnconn1.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
tgbtwnconn1.a	⊢ (𝜑 → 𝐴 ∈ 𝑃)
tgbtwnconn1.b	⊢ (𝜑 → 𝐵 ∈ 𝑃)
tgbtwnconn1.c	⊢ (𝜑 → 𝐶 ∈ 𝑃)
tgbtwnconn1.d	⊢ (𝜑 → 𝐷 ∈ 𝑃)
tgbtwnconn1.1	⊢ (𝜑 → 𝐴 ≠ 𝐵)
tgbtwnconn1.2	⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐶))
tgbtwnconn1.3	⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐷))
tgbtwnconn1.m	⊢ − = (dist‘𝐺)
tgbtwnconn1.e	⊢ (𝜑 → 𝐸 ∈ 𝑃)
tgbtwnconn1.f	⊢ (𝜑 → 𝐹 ∈ 𝑃)
tgbtwnconn1.h	⊢ (𝜑 → 𝐻 ∈ 𝑃)
tgbtwnconn1.j	⊢ (𝜑 → 𝐽 ∈ 𝑃)
tgbtwnconn1.4	⊢ (𝜑 → 𝐷 ∈ (𝐴𝐼𝐸))
tgbtwnconn1.5	⊢ (𝜑 → 𝐶 ∈ (𝐴𝐼𝐹))
tgbtwnconn1.6	⊢ (𝜑 → 𝐸 ∈ (𝐴𝐼𝐻))
tgbtwnconn1.7	⊢ (𝜑 → 𝐹 ∈ (𝐴𝐼𝐽))
tgbtwnconn1.8	⊢ (𝜑 → (𝐸 − 𝐷) = (𝐶 − 𝐷))
tgbtwnconn1.9	⊢ (𝜑 → (𝐶 − 𝐹) = (𝐶 − 𝐷))
tgbtwnconn1.10	⊢ (𝜑 → (𝐸 − 𝐻) = (𝐵 − 𝐶))
tgbtwnconn1.11	⊢ (𝜑 → (𝐹 − 𝐽) = (𝐵 − 𝐷))

Assertion

Ref	Expression
tgbtwnconn1lem2	⊢ (𝜑 → (𝐸 − 𝐹) = (𝐶 − 𝐷))

Proof of Theorem tgbtwnconn1lem2

Step	Hyp	Ref	Expression
1		tgbtwnconn1.p	. . . . 5 ⊢ 𝑃 = (Base‘𝐺)
2		tgbtwnconn1.m	. . . . 5 ⊢ − = (dist‘𝐺)
3		tgbtwnconn1.i	. . . . 5 ⊢ 𝐼 = (Itv‘𝐺)
4		tgbtwnconn1.g	. . . . 5 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
5		tgbtwnconn1.e	. . . . 5 ⊢ (𝜑 → 𝐸 ∈ 𝑃)
6		tgbtwnconn1.f	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ 𝑃)
7	1, 2, 3, 4, 5, 6	axtgcgrrflx 25773	. . . 4 ⊢ (𝜑 → (𝐸 − 𝐹) = (𝐹 − 𝐸))
8	7	adantr 474	. . 3 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐸 − 𝐹) = (𝐹 − 𝐸))
9	4	adantr 474	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → 𝐺 ∈ TarskiG)
10	5	adantr 474	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → 𝐸 ∈ 𝑃)
11		tgbtwnconn1.h	. . . . . . . 8 ⊢ (𝜑 → 𝐻 ∈ 𝑃)
12	11	adantr 474	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → 𝐻 ∈ 𝑃)
13		tgbtwnconn1.c	. . . . . . . 8 ⊢ (𝜑 → 𝐶 ∈ 𝑃)
14	13	adantr 474	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → 𝐶 ∈ 𝑃)
15		tgbtwnconn1.10	. . . . . . . . 9 ⊢ (𝜑 → (𝐸 − 𝐻) = (𝐵 − 𝐶))
16	15	adantr 474	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐸 − 𝐻) = (𝐵 − 𝐶))
17		simpr 479	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → 𝐵 = 𝐶)
18	17	oveq1d 6919	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐵 − 𝐶) = (𝐶 − 𝐶))
19	16, 18	eqtrd 2860	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐸 − 𝐻) = (𝐶 − 𝐶))
20	1, 2, 3, 9, 10, 12, 14, 19	axtgcgrid 25774	. . . . . 6 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → 𝐸 = 𝐻)
21		tgbtwnconn1.a	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ∈ 𝑃)
22		tgbtwnconn1.b	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ 𝑃)
23		tgbtwnconn1.d	. . . . . . . 8 ⊢ (𝜑 → 𝐷 ∈ 𝑃)
24		tgbtwnconn1.1	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ≠ 𝐵)
25		tgbtwnconn1.2	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐶))
26		tgbtwnconn1.3	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐷))
27		tgbtwnconn1.j	. . . . . . . 8 ⊢ (𝜑 → 𝐽 ∈ 𝑃)
28		tgbtwnconn1.4	. . . . . . . 8 ⊢ (𝜑 → 𝐷 ∈ (𝐴𝐼𝐸))
29		tgbtwnconn1.5	. . . . . . . 8 ⊢ (𝜑 → 𝐶 ∈ (𝐴𝐼𝐹))
30		tgbtwnconn1.6	. . . . . . . 8 ⊢ (𝜑 → 𝐸 ∈ (𝐴𝐼𝐻))
31		tgbtwnconn1.7	. . . . . . . 8 ⊢ (𝜑 → 𝐹 ∈ (𝐴𝐼𝐽))
32		tgbtwnconn1.8	. . . . . . . 8 ⊢ (𝜑 → (𝐸 − 𝐷) = (𝐶 − 𝐷))
33		tgbtwnconn1.9	. . . . . . . 8 ⊢ (𝜑 → (𝐶 − 𝐹) = (𝐶 − 𝐷))
34		tgbtwnconn1.11	. . . . . . . 8 ⊢ (𝜑 → (𝐹 − 𝐽) = (𝐵 − 𝐷))
35	1, 3, 4, 21, 22, 13, 23, 24, 25, 26, 2, 5, 6, 11, 27, 28, 29, 30, 31, 32, 33, 15, 34	tgbtwnconn1lem1 25883	. . . . . . 7 ⊢ (𝜑 → 𝐻 = 𝐽)
36	35	adantr 474	. . . . . 6 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → 𝐻 = 𝐽)
37	20, 36	eqtrd 2860	. . . . 5 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → 𝐸 = 𝐽)
38	37	oveq2d 6920	. . . 4 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐹 − 𝐸) = (𝐹 − 𝐽))
39	34	adantr 474	. . . 4 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐹 − 𝐽) = (𝐵 − 𝐷))
40	17	oveq1d 6919	. . . 4 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐵 − 𝐷) = (𝐶 − 𝐷))
41	38, 39, 40	3eqtrd 2864	. . 3 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐹 − 𝐸) = (𝐶 − 𝐷))
42	8, 41	eqtrd 2860	. 2 ⊢ ((𝜑 ∧ 𝐵 = 𝐶) → (𝐸 − 𝐹) = (𝐶 − 𝐷))
43	4	adantr 474	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐺 ∈ TarskiG)
44	6	adantr 474	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐹 ∈ 𝑃)
45	5	adantr 474	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐸 ∈ 𝑃)
46	23	adantr 474	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐷 ∈ 𝑃)
47	13	adantr 474	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐶 ∈ 𝑃)
48	22	adantr 474	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐵 ∈ 𝑃)
49	27	adantr 474	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐽 ∈ 𝑃)
50		simpr 479	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐵 ≠ 𝐶)
51	1, 2, 3, 4, 21, 22, 13, 6, 25, 29	tgbtwnexch3 25805	. . . . 5 ⊢ (𝜑 → 𝐶 ∈ (𝐵𝐼𝐹))
52	51	adantr 474	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐶 ∈ (𝐵𝐼𝐹))
53	35	oveq2d 6920	. . . . . . . 8 ⊢ (𝜑 → (𝐴𝐼𝐻) = (𝐴𝐼𝐽))
54	30, 53	eleqtrd 2907	. . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ (𝐴𝐼𝐽))
55	1, 2, 3, 4, 21, 23, 5, 27, 28, 54	tgbtwnexch3 25805	. . . . . 6 ⊢ (𝜑 → 𝐸 ∈ (𝐷𝐼𝐽))
56	1, 2, 3, 4, 23, 5, 27, 55	tgbtwncom 25799	. . . . 5 ⊢ (𝜑 → 𝐸 ∈ (𝐽𝐼𝐷))
57	56	adantr 474	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐸 ∈ (𝐽𝐼𝐷))
58	35	adantr 474	. . . . . 6 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐻 = 𝐽)
59	58	oveq2d 6920	. . . . 5 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐸 − 𝐻) = (𝐸 − 𝐽))
60	15	adantr 474	. . . . 5 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐸 − 𝐻) = (𝐵 − 𝐶))
61	1, 2, 3, 43, 45, 49	axtgcgrrflx 25773	. . . . 5 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐸 − 𝐽) = (𝐽 − 𝐸))
62	59, 60, 61	3eqtr3d 2868	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐵 − 𝐶) = (𝐽 − 𝐸))
63	33, 32	eqtr4d 2863	. . . . 5 ⊢ (𝜑 → (𝐶 − 𝐹) = (𝐸 − 𝐷))
64	63	adantr 474	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐶 − 𝐹) = (𝐸 − 𝐷))
65	1, 2, 3, 4, 21, 22, 23, 5, 26, 28	tgbtwnexch3 25805	. . . . . 6 ⊢ (𝜑 → 𝐷 ∈ (𝐵𝐼𝐸))
66	65	adantr 474	. . . . 5 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐷 ∈ (𝐵𝐼𝐸))
67	1, 2, 3, 4, 21, 13, 6, 27, 29, 31	tgbtwnexch3 25805	. . . . . . 7 ⊢ (𝜑 → 𝐹 ∈ (𝐶𝐼𝐽))
68	1, 2, 3, 4, 13, 6, 27, 67	tgbtwncom 25799	. . . . . 6 ⊢ (𝜑 → 𝐹 ∈ (𝐽𝐼𝐶))
69	68	adantr 474	. . . . 5 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → 𝐹 ∈ (𝐽𝐼𝐶))
70	1, 2, 3, 4, 27, 6	axtgcgrrflx 25773	. . . . . . 7 ⊢ (𝜑 → (𝐽 − 𝐹) = (𝐹 − 𝐽))
71	70, 34	eqtr2d 2861	. . . . . 6 ⊢ (𝜑 → (𝐵 − 𝐷) = (𝐽 − 𝐹))
72	71	adantr 474	. . . . 5 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐵 − 𝐷) = (𝐽 − 𝐹))
73	1, 2, 3, 4, 13, 6, 5, 23, 63	tgcgrcomlr 25791	. . . . . . 7 ⊢ (𝜑 → (𝐹 − 𝐶) = (𝐷 − 𝐸))
74	73	adantr 474	. . . . . 6 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐹 − 𝐶) = (𝐷 − 𝐸))
75	74	eqcomd 2830	. . . . 5 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐷 − 𝐸) = (𝐹 − 𝐶))
76	1, 2, 3, 43, 48, 46, 45, 49, 44, 47, 66, 69, 72, 75	tgcgrextend 25796	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐵 − 𝐸) = (𝐽 − 𝐶))
77	1, 2, 3, 43, 47, 45	axtgcgrrflx 25773	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐶 − 𝐸) = (𝐸 − 𝐶))
78	1, 2, 3, 43, 48, 47, 44, 49, 45, 46, 45, 47, 50, 52, 57, 62, 64, 76, 77	axtg5seg 25776	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐹 − 𝐸) = (𝐷 − 𝐶))
79	1, 2, 3, 43, 44, 45, 46, 47, 78	tgcgrcomlr 25791	. 2 ⊢ ((𝜑 ∧ 𝐵 ≠ 𝐶) → (𝐸 − 𝐹) = (𝐶 − 𝐷))
80	42, 79	pm2.61dane 3085	1 ⊢ (𝜑 → (𝐸 − 𝐹) = (𝐶 − 𝐷))

Syntax hints:   → wi 4   ∧ wa 386   = wceq 1658   ∈ wcel 2166   ≠ wne 2998  ‘cfv 6122  (class class class)co 6904  Basecbs 16221  distcds 16313  TarskiGcstrkg 25741  Itvcitv 25747

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1896  ax-4 1910  ax-5 2011  ax-6 2077  ax-7 2114  ax-9 2175  ax-10 2194  ax-11 2209  ax-12 2222  ax-13 2390  ax-ext 2802  ax-nul 5012

This theorem depends on definitions:  df-bi 199  df-an 387  df-or 881  df-3an 1115  df-tru 1662  df-ex 1881  df-nf 1885  df-sb 2070  df-mo 2604  df-eu 2639  df-clab 2811  df-cleq 2817  df-clel 2820  df-nfc 2957  df-ne 2999  df-ral 3121  df-rex 3122  df-rab 3125  df-v 3415  df-sbc 3662  df-dif 3800  df-un 3802  df-in 3804  df-ss 3811  df-nul 4144  df-if 4306  df-pw 4379  df-sn 4397  df-pr 4399  df-op 4403  df-uni 4658  df-br 4873  df-iota 6085  df-fv 6130  df-ov 6907  df-trkgc 25759  df-trkgb 25760  df-trkgcb 25761  df-trkg 25764

This theorem is referenced by:  tgbtwnconn1lem3  25885