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Mirrors > Home > MPE Home > Th. List > tgbtwnexch | Structured version Visualization version GIF version |
Description: Outer transitivity law for betweenness. Right-hand side of Theorem 3.6 of [Schwabhauser] p. 30. (Contributed by Thierry Arnoux, 23-Mar-2019.) |
Ref | Expression |
---|---|
tkgeom.p | ⊢ 𝑃 = (Base‘𝐺) |
tkgeom.d | ⊢ − = (dist‘𝐺) |
tkgeom.i | ⊢ 𝐼 = (Itv‘𝐺) |
tkgeom.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
tgbtwnintr.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
tgbtwnintr.2 | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
tgbtwnintr.3 | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
tgbtwnintr.4 | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
tgbtwnexch.1 | ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐶)) |
tgbtwnexch.2 | ⊢ (𝜑 → 𝐶 ∈ (𝐴𝐼𝐷)) |
Ref | Expression |
---|---|
tgbtwnexch | ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐷)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tkgeom.p | . 2 ⊢ 𝑃 = (Base‘𝐺) | |
2 | tkgeom.d | . 2 ⊢ − = (dist‘𝐺) | |
3 | tkgeom.i | . 2 ⊢ 𝐼 = (Itv‘𝐺) | |
4 | tkgeom.g | . 2 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
5 | tgbtwnintr.4 | . 2 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
6 | tgbtwnintr.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
7 | tgbtwnintr.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
8 | tgbtwnintr.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
9 | tgbtwnexch.2 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ (𝐴𝐼𝐷)) | |
10 | 1, 2, 3, 4, 7, 8, 5, 9 | tgbtwncom 26268 | . . 3 ⊢ (𝜑 → 𝐶 ∈ (𝐷𝐼𝐴)) |
11 | tgbtwnexch.1 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐶)) | |
12 | 1, 2, 3, 4, 7, 6, 8, 11 | tgbtwncom 26268 | . . 3 ⊢ (𝜑 → 𝐵 ∈ (𝐶𝐼𝐴)) |
13 | 1, 2, 3, 4, 5, 8, 6, 7, 10, 12 | tgbtwnexch2 26276 | . 2 ⊢ (𝜑 → 𝐵 ∈ (𝐷𝐼𝐴)) |
14 | 1, 2, 3, 4, 5, 6, 7, 13 | tgbtwncom 26268 | 1 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2110 ‘cfv 6349 (class class class)co 7150 Basecbs 16477 distcds 16568 TarskiGcstrkg 26210 Itvcitv 26216 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-nul 5202 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3772 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-iota 6308 df-fv 6357 df-ov 7153 df-trkgc 26228 df-trkgb 26229 df-trkgcb 26230 df-trkg 26233 |
This theorem is referenced by: tgcgrxfr 26298 tgbtwnconn1lem1 26352 tgbtwnconn1lem3 26354 legtrd 26369 hltr 26390 hlbtwn 26391 tglineeltr 26411 miriso 26450 outpasch 26535 |
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