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Mirrors > Home > MPE Home > Th. List > tgbtwnconn2 | Structured version Visualization version GIF version |
Description: Another connectivity law for betweenness. Theorem 5.2 of [Schwabhauser] p. 41. (Contributed by Thierry Arnoux, 17-May-2019.) |
Ref | Expression |
---|---|
tgbtwnconn.p | ⊢ 𝑃 = (Base‘𝐺) |
tgbtwnconn.i | ⊢ 𝐼 = (Itv‘𝐺) |
tgbtwnconn.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
tgbtwnconn.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
tgbtwnconn.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
tgbtwnconn.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
tgbtwnconn.d | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
tgbtwnconn2.1 | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
tgbtwnconn2.2 | ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐶)) |
tgbtwnconn2.3 | ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐷)) |
Ref | Expression |
---|---|
tgbtwnconn2 | ⊢ (𝜑 → (𝐶 ∈ (𝐵𝐼𝐷) ∨ 𝐷 ∈ (𝐵𝐼𝐶))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tgbtwnconn.p | . . . 4 ⊢ 𝑃 = (Base‘𝐺) | |
2 | eqid 2740 | . . . 4 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
3 | tgbtwnconn.i | . . . 4 ⊢ 𝐼 = (Itv‘𝐺) | |
4 | tgbtwnconn.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
5 | 4 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → 𝐺 ∈ TarskiG) |
6 | tgbtwnconn.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
7 | 6 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → 𝐴 ∈ 𝑃) |
8 | tgbtwnconn.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
9 | 8 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → 𝐵 ∈ 𝑃) |
10 | tgbtwnconn.c | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
11 | 10 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → 𝐶 ∈ 𝑃) |
12 | tgbtwnconn.d | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
13 | 12 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → 𝐷 ∈ 𝑃) |
14 | tgbtwnconn2.2 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐶)) | |
15 | 14 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → 𝐵 ∈ (𝐴𝐼𝐶)) |
16 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → 𝐶 ∈ (𝐴𝐼𝐷)) | |
17 | 1, 2, 3, 5, 7, 9, 11, 13, 15, 16 | tgbtwnexch3 28520 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → 𝐶 ∈ (𝐵𝐼𝐷)) |
18 | 17 | orcd 872 | . 2 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐴𝐼𝐷)) → (𝐶 ∈ (𝐵𝐼𝐷) ∨ 𝐷 ∈ (𝐵𝐼𝐶))) |
19 | 4 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → 𝐺 ∈ TarskiG) |
20 | 6 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → 𝐴 ∈ 𝑃) |
21 | 8 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → 𝐵 ∈ 𝑃) |
22 | 12 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → 𝐷 ∈ 𝑃) |
23 | 10 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → 𝐶 ∈ 𝑃) |
24 | tgbtwnconn2.3 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐷)) | |
25 | 24 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → 𝐵 ∈ (𝐴𝐼𝐷)) |
26 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → 𝐷 ∈ (𝐴𝐼𝐶)) | |
27 | 1, 2, 3, 19, 20, 21, 22, 23, 25, 26 | tgbtwnexch3 28520 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → 𝐷 ∈ (𝐵𝐼𝐶)) |
28 | 27 | olcd 873 | . 2 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐴𝐼𝐶)) → (𝐶 ∈ (𝐵𝐼𝐷) ∨ 𝐷 ∈ (𝐵𝐼𝐶))) |
29 | tgbtwnconn2.1 | . . 3 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
30 | 1, 3, 4, 6, 8, 10, 12, 29, 14, 24 | tgbtwnconn1 28601 | . 2 ⊢ (𝜑 → (𝐶 ∈ (𝐴𝐼𝐷) ∨ 𝐷 ∈ (𝐴𝐼𝐶))) |
31 | 18, 28, 30 | mpjaodan 959 | 1 ⊢ (𝜑 → (𝐶 ∈ (𝐵𝐼𝐷) ∨ 𝐷 ∈ (𝐵𝐼𝐶))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∨ wo 846 = wceq 1537 ∈ wcel 2108 ≠ wne 2946 ‘cfv 6573 (class class class)co 7448 Basecbs 17258 distcds 17320 TarskiGcstrkg 28453 Itvcitv 28459 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-rep 5303 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 ax-cnex 11240 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-addrcl 11245 ax-mulcl 11246 ax-mulrcl 11247 ax-mulcom 11248 ax-addass 11249 ax-mulass 11250 ax-distr 11251 ax-i2m1 11252 ax-1ne0 11253 ax-1rid 11254 ax-rnegex 11255 ax-rrecex 11256 ax-cnre 11257 ax-pre-lttri 11258 ax-pre-lttrn 11259 ax-pre-ltadd 11260 ax-pre-mulgt0 11261 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-nel 3053 df-ral 3068 df-rex 3077 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-pss 3996 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-tp 4653 df-op 4655 df-uni 4932 df-int 4971 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-tr 5284 df-id 5593 df-eprel 5599 df-po 5607 df-so 5608 df-fr 5652 df-we 5654 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-pred 6332 df-ord 6398 df-on 6399 df-lim 6400 df-suc 6401 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-f1 6578 df-fo 6579 df-f1o 6580 df-fv 6581 df-riota 7404 df-ov 7451 df-oprab 7452 df-mpo 7453 df-om 7904 df-1st 8030 df-2nd 8031 df-frecs 8322 df-wrecs 8353 df-recs 8427 df-rdg 8466 df-1o 8522 df-oadd 8526 df-er 8763 df-pm 8887 df-en 9004 df-dom 9005 df-sdom 9006 df-fin 9007 df-dju 9970 df-card 10008 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11522 df-neg 11523 df-nn 12294 df-2 12356 df-3 12357 df-n0 12554 df-xnn0 12626 df-z 12640 df-uz 12904 df-fz 13568 df-fzo 13712 df-hash 14380 df-word 14563 df-concat 14619 df-s1 14644 df-s2 14897 df-s3 14898 df-trkgc 28474 df-trkgb 28475 df-trkgcb 28476 df-trkg 28479 df-cgrg 28537 |
This theorem is referenced by: tgbtwnconn3 28603 tgbtwnconn22 28605 tgbtwnconnln2 28607 legtrid 28617 hlcgrex 28642 mirbtwnhl 28706 mirhl2 28707 krippenlem 28716 lnopp2hpgb 28789 flatcgra 28850 |
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