Theorem oppcom 29220

Description: Commutativity rule for "opposite" Theorem 9.2 of [Schwabhauser] p. 67. (Contributed by Thierry Arnoux, 19-Dec-2019.)

Hypotheses

Ref	Expression
hpg.p	⊢ 𝑃 = (Base‘𝐺)
hpg.d	⊢ − = (dist‘𝐺)
hpg.i	⊢ 𝐼 = (Itv‘𝐺)
hpg.o	⊢ 𝑂 = {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑏 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑏))}
opphl.l	⊢ 𝐿 = (LineG‘𝐺)
opphl.d	⊢ (𝜑 → 𝐷 ∈ ran 𝐿)
opphl.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
oppcom.a	⊢ (𝜑 → 𝐴 ∈ 𝑃)
oppcom.b	⊢ (𝜑 → 𝐵 ∈ 𝑃)
oppcom.o	⊢ (𝜑 → 𝐴𝑂𝐵)

Assertion

Ref	Expression
oppcom	⊢ (𝜑 → 𝐵𝑂𝐴)

Distinct variable groups:   𝐷,𝑎,𝑏   𝐼,𝑎,𝑏   𝑃,𝑎,𝑏   𝑡,𝐴   𝑡,𝐵   𝑡,𝐷   𝑡,𝐺   𝑡,𝐿   𝑡,𝐼   𝑡,𝑂   𝑡,𝑃   𝜑,𝑡   𝑡, −   𝑡,𝑎,𝑏

Allowed substitution hints:   𝜑(𝑎, 𝑏)   𝐴(𝑎, 𝑏)   𝐵(𝑎, 𝑏)   𝐺(𝑎, 𝑏)   𝐿(𝑎, 𝑏)   − (𝑎, 𝑏)   𝑂(𝑎, 𝑏)

Proof of Theorem oppcom

Step	Hyp	Ref	Expression
1		oppcom.o	. . . . . 6 ⊢ (𝜑 → 𝐴𝑂𝐵)
2		hpg.p	. . . . . . 7 ⊢ 𝑃 = (Base‘𝐺)
3		hpg.d	. . . . . . 7 ⊢ − = (dist‘𝐺)
4		hpg.i	. . . . . . 7 ⊢ 𝐼 = (Itv‘𝐺)
5		hpg.o	. . . . . . 7 ⊢ 𝑂 = {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑏 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑏))}
6		oppcom.a	. . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ 𝑃)
7		oppcom.b	. . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ 𝑃)
8	2, 3, 4, 5, 6, 7	islnopp 29215	. . . . . 6 ⊢ (𝜑 → (𝐴𝑂𝐵 ↔ ((¬ 𝐴 ∈ 𝐷 ∧ ¬ 𝐵 ∈ 𝐷) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝐴𝐼𝐵))))
9	1, 8	mpbid 235	. . . . 5 ⊢ (𝜑 → ((¬ 𝐴 ∈ 𝐷 ∧ ¬ 𝐵 ∈ 𝐷) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝐴𝐼𝐵)))
10	9	simpld 500	. . . 4 ⊢ (𝜑 → (¬ 𝐴 ∈ 𝐷 ∧ ¬ 𝐵 ∈ 𝐷))
11	10	simprd 501	. . 3 ⊢ (𝜑 → ¬ 𝐵 ∈ 𝐷)
12	10	simpld 500	. . 3 ⊢ (𝜑 → ¬ 𝐴 ∈ 𝐷)
13	9	simprd 501	. . . 4 ⊢ (𝜑 → ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝐴𝐼𝐵))
14		opphl.g	. . . . . . . 8 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
15	14	ad2antrr 739	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐴𝐼𝐵)) → 𝐺 ∈ TarskiG)
16	6	ad2antrr 739	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐴𝐼𝐵)) → 𝐴 ∈ 𝑃)
17		opphl.l	. . . . . . . . 9 ⊢ 𝐿 = (LineG‘𝐺)
18	14	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑡 ∈ 𝐷) → 𝐺 ∈ TarskiG)
19		opphl.d	. . . . . . . . . 10 ⊢ (𝜑 → 𝐷 ∈ ran 𝐿)
20	19	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑡 ∈ 𝐷) → 𝐷 ∈ ran 𝐿)
21		simpr 490	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑡 ∈ 𝐷) → 𝑡 ∈ 𝐷)
22	2, 17, 4, 18, 20, 21	tglnpt 29012	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑡 ∈ 𝐷) → 𝑡 ∈ 𝑃)
23	22	adantr 486	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐴𝐼𝐵)) → 𝑡 ∈ 𝑃)
24	7	ad2antrr 739	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐴𝐼𝐵)) → 𝐵 ∈ 𝑃)
25		simpr 490	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐴𝐼𝐵)) → 𝑡 ∈ (𝐴𝐼𝐵))
26	2, 3, 4, 15, 16, 23, 24, 25	tgbtwncom 28951	. . . . . 6 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐴𝐼𝐵)) → 𝑡 ∈ (𝐵𝐼𝐴))
27	14	ad2antrr 739	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐵𝐼𝐴)) → 𝐺 ∈ TarskiG)
28	7	ad2antrr 739	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐵𝐼𝐴)) → 𝐵 ∈ 𝑃)
29	22	adantr 486	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐵𝐼𝐴)) → 𝑡 ∈ 𝑃)
30	6	ad2antrr 739	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐵𝐼𝐴)) → 𝐴 ∈ 𝑃)
31		simpr 490	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐵𝐼𝐴)) → 𝑡 ∈ (𝐵𝐼𝐴))
32	2, 3, 4, 27, 28, 29, 30, 31	tgbtwncom 28951	. . . . . 6 ⊢ (((𝜑 ∧ 𝑡 ∈ 𝐷) ∧ 𝑡 ∈ (𝐵𝐼𝐴)) → 𝑡 ∈ (𝐴𝐼𝐵))
33	26, 32	impbida 813	. . . . 5 ⊢ ((𝜑 ∧ 𝑡 ∈ 𝐷) → (𝑡 ∈ (𝐴𝐼𝐵) ↔ 𝑡 ∈ (𝐵𝐼𝐴)))
34	33	rexbidva 3185	. . . 4 ⊢ (𝜑 → (∃𝑡 ∈ 𝐷 𝑡 ∈ (𝐴𝐼𝐵) ↔ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝐵𝐼𝐴)))
35	13, 34	mpbid 235	. . 3 ⊢ (𝜑 → ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝐵𝐼𝐴))
36	11, 12, 35	jca31 524	. 2 ⊢ (𝜑 → ((¬ 𝐵 ∈ 𝐷 ∧ ¬ 𝐴 ∈ 𝐷) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝐵𝐼𝐴)))
37	2, 3, 4, 5, 7, 6	islnopp 29215	. 2 ⊢ (𝜑 → (𝐵𝑂𝐴 ↔ ((¬ 𝐵 ∈ 𝐷 ∧ ¬ 𝐴 ∈ 𝐷) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝐵𝐼𝐴))))
38	36, 37	mpbird 260	1 ⊢ (𝜑 → 𝐵𝑂𝐴)

This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ∧ wa 401   = wceq 1570   ∈ wcel 2145  ∃wrex 3087   ∖ cdif 3896   class class class wbr 5103  {copab 5167  ran crn 5652  ‘cfv 6538  (class class class)co 7420  Basecbs 17387  distcds 17437  TarskiGcstrkg 28889  Itvcitv 28895  LineGclng 28896

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-sep 5249  ax-nul 5260  ax-pr 5391

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rab 3414  df-v 3453  df-sbc 3740  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-opab 5168  df-cnv 5659  df-dm 5661  df-rn 5662  df-iota 6494  df-fv 6546  df-ov 7423  df-oprab 7424  df-mpo 7425  df-trkgc 28910  df-trkgb 28911  df-trkgcb 28912  df-trkg 28915

This theorem is used by:  opphllem2  29224  opphllem4  29226  opphllem5  29227  opphllem6  29228  plngcplem  29263  plngrotlem1  29265  plngrotlem2  29266  plngmiropp  29272  nhpmirhp  29276  lnperpex  29309  tgaaddcpbllem1  29349  tgaaddcpbl  29352  angmgmaddeu1  29379  quadcgrprlng  29444  tgaltai  29445