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Theorem mirbtwn 25466
Description: Property of the image by the point inversion function. Definition 7.5 of [Schwabhauser] p. 49. (Contributed by Thierry Arnoux, 3-Jun-2019.)
Hypotheses
Ref Expression
mirval.p 𝑃 = (Base‘𝐺)
mirval.d = (dist‘𝐺)
mirval.i 𝐼 = (Itv‘𝐺)
mirval.l 𝐿 = (LineG‘𝐺)
mirval.s 𝑆 = (pInvG‘𝐺)
mirval.g (𝜑𝐺 ∈ TarskiG)
mirval.a (𝜑𝐴𝑃)
mirfv.m 𝑀 = (𝑆𝐴)
mirfv.b (𝜑𝐵𝑃)
Assertion
Ref Expression
mirbtwn (𝜑𝐴 ∈ ((𝑀𝐵)𝐼𝐵))

Proof of Theorem mirbtwn
Dummy variable 𝑧 is distinct from all other variables.
StepHypRef Expression
1 mirval.p . . . . 5 𝑃 = (Base‘𝐺)
2 mirval.d . . . . 5 = (dist‘𝐺)
3 mirval.i . . . . 5 𝐼 = (Itv‘𝐺)
4 mirval.l . . . . 5 𝐿 = (LineG‘𝐺)
5 mirval.s . . . . 5 𝑆 = (pInvG‘𝐺)
6 mirval.g . . . . 5 (𝜑𝐺 ∈ TarskiG)
7 mirval.a . . . . 5 (𝜑𝐴𝑃)
8 mirfv.m . . . . 5 𝑀 = (𝑆𝐴)
9 mirfv.b . . . . 5 (𝜑𝐵𝑃)
101, 2, 3, 4, 5, 6, 7, 8, 9mirfv 25464 . . . 4 (𝜑 → (𝑀𝐵) = (𝑧𝑃 ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵))))
111, 2, 3, 6, 9, 7mirreu3 25462 . . . . 5 (𝜑 → ∃!𝑧𝑃 ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵)))
12 riotacl2 6584 . . . . 5 (∃!𝑧𝑃 ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵)) → (𝑧𝑃 ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵))) ∈ {𝑧𝑃 ∣ ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵))})
1311, 12syl 17 . . . 4 (𝜑 → (𝑧𝑃 ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵))) ∈ {𝑧𝑃 ∣ ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵))})
1410, 13eqeltrd 2698 . . 3 (𝜑 → (𝑀𝐵) ∈ {𝑧𝑃 ∣ ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵))})
15 oveq2 6618 . . . . . 6 (𝑧 = (𝑀𝐵) → (𝐴 𝑧) = (𝐴 (𝑀𝐵)))
1615eqeq1d 2623 . . . . 5 (𝑧 = (𝑀𝐵) → ((𝐴 𝑧) = (𝐴 𝐵) ↔ (𝐴 (𝑀𝐵)) = (𝐴 𝐵)))
17 oveq1 6617 . . . . . 6 (𝑧 = (𝑀𝐵) → (𝑧𝐼𝐵) = ((𝑀𝐵)𝐼𝐵))
1817eleq2d 2684 . . . . 5 (𝑧 = (𝑀𝐵) → (𝐴 ∈ (𝑧𝐼𝐵) ↔ 𝐴 ∈ ((𝑀𝐵)𝐼𝐵)))
1916, 18anbi12d 746 . . . 4 (𝑧 = (𝑀𝐵) → (((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵)) ↔ ((𝐴 (𝑀𝐵)) = (𝐴 𝐵) ∧ 𝐴 ∈ ((𝑀𝐵)𝐼𝐵))))
2019elrab 3350 . . 3 ((𝑀𝐵) ∈ {𝑧𝑃 ∣ ((𝐴 𝑧) = (𝐴 𝐵) ∧ 𝐴 ∈ (𝑧𝐼𝐵))} ↔ ((𝑀𝐵) ∈ 𝑃 ∧ ((𝐴 (𝑀𝐵)) = (𝐴 𝐵) ∧ 𝐴 ∈ ((𝑀𝐵)𝐼𝐵))))
2114, 20sylib 208 . 2 (𝜑 → ((𝑀𝐵) ∈ 𝑃 ∧ ((𝐴 (𝑀𝐵)) = (𝐴 𝐵) ∧ 𝐴 ∈ ((𝑀𝐵)𝐼𝐵))))
2221simprrd 796 1 (𝜑𝐴 ∈ ((𝑀𝐵)𝐼𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 384   = wceq 1480  wcel 1987  ∃!wreu 2909  {crab 2911  cfv 5852  crio 6570  (class class class)co 6610  Basecbs 15788  distcds 15878  TarskiGcstrkg 25242  Itvcitv 25248  LineGclng 25249  pInvGcmir 25460
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4736  ax-sep 4746  ax-nul 4754  ax-pr 4872
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1038  df-tru 1483  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-ral 2912  df-rex 2913  df-reu 2914  df-rmo 2915  df-rab 2916  df-v 3191  df-sbc 3422  df-csb 3519  df-dif 3562  df-un 3564  df-in 3566  df-ss 3573  df-nul 3897  df-if 4064  df-pw 4137  df-sn 4154  df-pr 4156  df-op 4160  df-uni 4408  df-iun 4492  df-br 4619  df-opab 4679  df-mpt 4680  df-id 4994  df-xp 5085  df-rel 5086  df-cnv 5087  df-co 5088  df-dm 5089  df-rn 5090  df-res 5091  df-ima 5092  df-iota 5815  df-fun 5854  df-fn 5855  df-f 5856  df-f1 5857  df-fo 5858  df-f1o 5859  df-fv 5860  df-riota 6571  df-ov 6613  df-trkgc 25260  df-trkgb 25261  df-trkgcb 25262  df-trkg 25265  df-mir 25461
This theorem is referenced by:  mirmir  25470  mirinv  25474  miriso  25478  mirmir2  25482  mirln  25484  mirln2  25485  mirconn  25486  mirhl2  25489  mircgrextend  25490  mirtrcgr  25491  mirauto  25492  miduniq  25493  krippenlem  25498  ragflat  25512  ragcgr  25515  footex  25526  colperpexlem1  25535  colperpexlem3  25537  mideulem2  25539  opphllem  25540  opphllem1  25552  opphllem2  25553  opphllem4  25555  colhp  25575  midbtwn  25584  lmieu  25589  lmiisolem  25601
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