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Theorem cgracom 26610
Description: Angle congruence commutes. Theorem 11.7 of [Schwabhauser] p. 97. (Contributed by Thierry Arnoux, 5-Mar-2020.)
Hypotheses
Ref Expression
cgraid.p 𝑃 = (Base‘𝐺)
cgraid.i 𝐼 = (Itv‘𝐺)
cgraid.g (𝜑𝐺 ∈ TarskiG)
cgraid.k 𝐾 = (hlG‘𝐺)
cgraid.a (𝜑𝐴𝑃)
cgraid.b (𝜑𝐵𝑃)
cgraid.c (𝜑𝐶𝑃)
cgracom.d (𝜑𝐷𝑃)
cgracom.e (𝜑𝐸𝑃)
cgracom.f (𝜑𝐹𝑃)
cgracom.1 (𝜑 → ⟨“𝐴𝐵𝐶”⟩(cgrA‘𝐺)⟨“𝐷𝐸𝐹”⟩)
Assertion
Ref Expression
cgracom (𝜑 → ⟨“𝐷𝐸𝐹”⟩(cgrA‘𝐺)⟨“𝐴𝐵𝐶”⟩)

Proof of Theorem cgracom
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 cgraid.p . . . . 5 𝑃 = (Base‘𝐺)
2 eqid 2823 . . . . 5 (dist‘𝐺) = (dist‘𝐺)
3 eqid 2823 . . . . 5 (cgrG‘𝐺) = (cgrG‘𝐺)
4 cgraid.g . . . . . 6 (𝜑𝐺 ∈ TarskiG)
54ad3antrrr 728 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝐺 ∈ TarskiG)
6 cgracom.d . . . . . 6 (𝜑𝐷𝑃)
76ad3antrrr 728 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝐷𝑃)
8 cgracom.e . . . . . 6 (𝜑𝐸𝑃)
98ad3antrrr 728 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝐸𝑃)
10 cgracom.f . . . . . 6 (𝜑𝐹𝑃)
1110ad3antrrr 728 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝐹𝑃)
12 simpllr 774 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝑥𝑃)
13 cgraid.b . . . . . 6 (𝜑𝐵𝑃)
1413ad3antrrr 728 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝐵𝑃)
15 simplr 767 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝑦𝑃)
16 cgraid.i . . . . . 6 𝐼 = (Itv‘𝐺)
17 simprlr 778 . . . . . . 7 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷))
1817eqcomd 2829 . . . . . 6 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (𝐸(dist‘𝐺)𝐷) = (𝐵(dist‘𝐺)𝑥))
191, 2, 16, 5, 9, 7, 14, 12, 18tgcgrcomlr 26268 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (𝐷(dist‘𝐺)𝐸) = (𝑥(dist‘𝐺)𝐵))
20 simprrr 780 . . . . . 6 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹))
2120eqcomd 2829 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (𝐸(dist‘𝐺)𝐹) = (𝐵(dist‘𝐺)𝑦))
22 cgraid.k . . . . . . . 8 𝐾 = (hlG‘𝐺)
23 cgraid.a . . . . . . . . 9 (𝜑𝐴𝑃)
2423ad3antrrr 728 . . . . . . . 8 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝐴𝑃)
25 cgraid.c . . . . . . . . 9 (𝜑𝐶𝑃)
2625ad3antrrr 728 . . . . . . . 8 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝐶𝑃)
27 cgracom.1 . . . . . . . . 9 (𝜑 → ⟨“𝐴𝐵𝐶”⟩(cgrA‘𝐺)⟨“𝐷𝐸𝐹”⟩)
2827ad3antrrr 728 . . . . . . . 8 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → ⟨“𝐴𝐵𝐶”⟩(cgrA‘𝐺)⟨“𝐷𝐸𝐹”⟩)
29 simprll 777 . . . . . . . 8 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝑥(𝐾𝐵)𝐴)
30 simprrl 779 . . . . . . . 8 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → 𝑦(𝐾𝐵)𝐶)
311, 16, 22, 5, 24, 14, 26, 7, 9, 11, 28, 12, 2, 15, 29, 30, 17, 20cgracgr 26606 . . . . . . 7 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (𝑥(dist‘𝐺)𝑦) = (𝐷(dist‘𝐺)𝐹))
3231eqcomd 2829 . . . . . 6 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (𝐷(dist‘𝐺)𝐹) = (𝑥(dist‘𝐺)𝑦))
331, 2, 16, 5, 7, 11, 12, 15, 32tgcgrcomlr 26268 . . . . 5 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (𝐹(dist‘𝐺)𝐷) = (𝑦(dist‘𝐺)𝑥))
341, 2, 3, 5, 7, 9, 11, 12, 14, 15, 19, 21, 33trgcgr 26304 . . . 4 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → ⟨“𝐷𝐸𝐹”⟩(cgrG‘𝐺)⟨“𝑥𝐵𝑦”⟩)
3534, 29, 303jca 1124 . . 3 ((((𝜑𝑥𝑃) ∧ 𝑦𝑃) ∧ ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))) → (⟨“𝐷𝐸𝐹”⟩(cgrG‘𝐺)⟨“𝑥𝐵𝑦”⟩ ∧ 𝑥(𝐾𝐵)𝐴𝑦(𝐾𝐵)𝐶))
361, 16, 22, 4, 23, 13, 25, 6, 8, 10, 27cgrane1 26600 . . . . 5 (𝜑𝐴𝐵)
371, 16, 22, 4, 23, 13, 25, 6, 8, 10, 27cgrane3 26602 . . . . 5 (𝜑𝐸𝐷)
381, 16, 22, 13, 8, 6, 4, 23, 2, 36, 37hlcgrex 26404 . . . 4 (𝜑 → ∃𝑥𝑃 (𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)))
391, 16, 22, 4, 23, 13, 25, 6, 8, 10, 27cgrane2 26601 . . . . . 6 (𝜑𝐵𝐶)
4039necomd 3073 . . . . 5 (𝜑𝐶𝐵)
411, 16, 22, 4, 23, 13, 25, 6, 8, 10, 27cgrane4 26603 . . . . 5 (𝜑𝐸𝐹)
421, 16, 22, 13, 8, 10, 4, 25, 2, 40, 41hlcgrex 26404 . . . 4 (𝜑 → ∃𝑦𝑃 (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹)))
43 reeanv 3369 . . . 4 (∃𝑥𝑃𝑦𝑃 ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹))) ↔ (∃𝑥𝑃 (𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ ∃𝑦𝑃 (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹))))
4438, 42, 43sylanbrc 585 . . 3 (𝜑 → ∃𝑥𝑃𝑦𝑃 ((𝑥(𝐾𝐵)𝐴 ∧ (𝐵(dist‘𝐺)𝑥) = (𝐸(dist‘𝐺)𝐷)) ∧ (𝑦(𝐾𝐵)𝐶 ∧ (𝐵(dist‘𝐺)𝑦) = (𝐸(dist‘𝐺)𝐹))))
4535, 44reximddv2 3280 . 2 (𝜑 → ∃𝑥𝑃𝑦𝑃 (⟨“𝐷𝐸𝐹”⟩(cgrG‘𝐺)⟨“𝑥𝐵𝑦”⟩ ∧ 𝑥(𝐾𝐵)𝐴𝑦(𝐾𝐵)𝐶))
461, 16, 22, 4, 6, 8, 10, 23, 13, 25iscgra 26597 . 2 (𝜑 → (⟨“𝐷𝐸𝐹”⟩(cgrA‘𝐺)⟨“𝐴𝐵𝐶”⟩ ↔ ∃𝑥𝑃𝑦𝑃 (⟨“𝐷𝐸𝐹”⟩(cgrG‘𝐺)⟨“𝑥𝐵𝑦”⟩ ∧ 𝑥(𝐾𝐵)𝐴𝑦(𝐾𝐵)𝐶)))
4745, 46mpbird 259 1 (𝜑 → ⟨“𝐷𝐸𝐹”⟩(cgrA‘𝐺)⟨“𝐴𝐵𝐶”⟩)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 398  w3a 1083   = wceq 1537  wcel 2114  wrex 3141   class class class wbr 5068  cfv 6357  (class class class)co 7158  ⟨“cs3 14206  Basecbs 16485  distcds 16576  TarskiGcstrkg 26218  Itvcitv 26224  cgrGccgrg 26298  hlGchlg 26388  cgrAccgra 26595
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795  ax-rep 5192  ax-sep 5205  ax-nul 5212  ax-pow 5268  ax-pr 5332  ax-un 7463  ax-cnex 10595  ax-resscn 10596  ax-1cn 10597  ax-icn 10598  ax-addcl 10599  ax-addrcl 10600  ax-mulcl 10601  ax-mulrcl 10602  ax-mulcom 10603  ax-addass 10604  ax-mulass 10605  ax-distr 10606  ax-i2m1 10607  ax-1ne0 10608  ax-1rid 10609  ax-rnegex 10610  ax-rrecex 10611  ax-cnre 10612  ax-pre-lttri 10613  ax-pre-lttrn 10614  ax-pre-ltadd 10615  ax-pre-mulgt0 10616
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1084  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ne 3019  df-nel 3126  df-ral 3145  df-rex 3146  df-reu 3147  df-rmo 3148  df-rab 3149  df-v 3498  df-sbc 3775  df-csb 3886  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-pss 3956  df-nul 4294  df-if 4470  df-pw 4543  df-sn 4570  df-pr 4572  df-tp 4574  df-op 4576  df-uni 4841  df-int 4879  df-iun 4923  df-br 5069  df-opab 5131  df-mpt 5149  df-tr 5175  df-id 5462  df-eprel 5467  df-po 5476  df-so 5477  df-fr 5516  df-we 5518  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-rn 5568  df-res 5569  df-ima 5570  df-pred 6150  df-ord 6196  df-on 6197  df-lim 6198  df-suc 6199  df-iota 6316  df-fun 6359  df-fn 6360  df-f 6361  df-f1 6362  df-fo 6363  df-f1o 6364  df-fv 6365  df-riota 7116  df-ov 7161  df-oprab 7162  df-mpo 7163  df-om 7583  df-1st 7691  df-2nd 7692  df-wrecs 7949  df-recs 8010  df-rdg 8048  df-1o 8104  df-oadd 8108  df-er 8291  df-map 8410  df-pm 8411  df-en 8512  df-dom 8513  df-sdom 8514  df-fin 8515  df-dju 9332  df-card 9370  df-pnf 10679  df-mnf 10680  df-xr 10681  df-ltxr 10682  df-le 10683  df-sub 10874  df-neg 10875  df-nn 11641  df-2 11703  df-3 11704  df-n0 11901  df-xnn0 11971  df-z 11985  df-uz 12247  df-fz 12896  df-fzo 13037  df-hash 13694  df-word 13865  df-concat 13925  df-s1 13952  df-s2 14212  df-s3 14213  df-trkgc 26236  df-trkgb 26237  df-trkgcb 26238  df-trkg 26241  df-cgrg 26299  df-leg 26371  df-hlg 26389  df-cgra 26596
This theorem is referenced by:  cgracol  26616  cgrancol  26617  dfcgra2  26618  tgasa1  26646  isoas  26652
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