MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  btwnhl2 Structured version   Visualization version   GIF version

Theorem btwnhl2 28546
Description: Deduce half-line from betweenness. (Contributed by Thierry Arnoux, 4-Mar-2020.)
Hypotheses
Ref Expression
ishlg.p 𝑃 = (Base‘𝐺)
ishlg.i 𝐼 = (Itv‘𝐺)
ishlg.k 𝐾 = (hlG‘𝐺)
ishlg.a (𝜑𝐴𝑃)
ishlg.b (𝜑𝐵𝑃)
ishlg.c (𝜑𝐶𝑃)
hlln.1 (𝜑𝐺 ∈ TarskiG)
hltr.d (𝜑𝐷𝑃)
btwnhl1.1 (𝜑𝐶 ∈ (𝐴𝐼𝐵))
btwnhl1.2 (𝜑𝐴𝐵)
btwnhl2.3 (𝜑𝐶𝐵)
Assertion
Ref Expression
btwnhl2 (𝜑𝐶(𝐾𝐵)𝐴)

Proof of Theorem btwnhl2
StepHypRef Expression
1 btwnhl2.3 . 2 (𝜑𝐶𝐵)
2 btwnhl1.2 . 2 (𝜑𝐴𝐵)
3 ishlg.p . . . 4 𝑃 = (Base‘𝐺)
4 eqid 2730 . . . 4 (dist‘𝐺) = (dist‘𝐺)
5 ishlg.i . . . 4 𝐼 = (Itv‘𝐺)
6 hlln.1 . . . 4 (𝜑𝐺 ∈ TarskiG)
7 ishlg.a . . . 4 (𝜑𝐴𝑃)
8 ishlg.c . . . 4 (𝜑𝐶𝑃)
9 ishlg.b . . . 4 (𝜑𝐵𝑃)
10 btwnhl1.1 . . . 4 (𝜑𝐶 ∈ (𝐴𝐼𝐵))
113, 4, 5, 6, 7, 8, 9, 10tgbtwncom 28421 . . 3 (𝜑𝐶 ∈ (𝐵𝐼𝐴))
1211orcd 873 . 2 (𝜑 → (𝐶 ∈ (𝐵𝐼𝐴) ∨ 𝐴 ∈ (𝐵𝐼𝐶)))
13 ishlg.k . . 3 𝐾 = (hlG‘𝐺)
143, 5, 13, 8, 7, 9, 6ishlg 28535 . 2 (𝜑 → (𝐶(𝐾𝐵)𝐴 ↔ (𝐶𝐵𝐴𝐵 ∧ (𝐶 ∈ (𝐵𝐼𝐴) ∨ 𝐴 ∈ (𝐵𝐼𝐶)))))
151, 2, 12, 14mpbir3and 1343 1 (𝜑𝐶(𝐾𝐵)𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wo 847   = wceq 1540  wcel 2109  wne 2926   class class class wbr 5109  cfv 6513  (class class class)co 7389  Basecbs 17185  distcds 17235  TarskiGcstrkg 28360  Itvcitv 28366  hlGchlg 28533
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2702  ax-rep 5236  ax-sep 5253  ax-nul 5263  ax-pow 5322  ax-pr 5389  ax-un 7713
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-ne 2927  df-ral 3046  df-rex 3055  df-reu 3357  df-rab 3409  df-v 3452  df-sbc 3756  df-csb 3865  df-dif 3919  df-un 3921  df-in 3923  df-ss 3933  df-nul 4299  df-if 4491  df-pw 4567  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4874  df-iun 4959  df-br 5110  df-opab 5172  df-mpt 5191  df-id 5535  df-xp 5646  df-rel 5647  df-cnv 5648  df-co 5649  df-dm 5650  df-rn 5651  df-res 5652  df-ima 5653  df-iota 6466  df-fun 6515  df-fn 6516  df-f 6517  df-f1 6518  df-fo 6519  df-f1o 6520  df-fv 6521  df-ov 7392  df-trkgc 28381  df-trkgb 28382  df-trkgcb 28383  df-trkg 28386  df-hlg 28534
This theorem is referenced by:  hlpasch  28689
  Copyright terms: Public domain W3C validator