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| Mirrors > Home > MPE Home > Th. List > btwnhl | Structured version Visualization version GIF version | ||
| Description: Swap betweenness for a half-line. (Contributed by Thierry Arnoux, 2-Mar-2020.) |
| Ref | Expression |
|---|---|
| ishlg.p | ⊢ 𝑃 = (Base‘𝐺) |
| ishlg.i | ⊢ 𝐼 = (Itv‘𝐺) |
| ishlg.k | ⊢ 𝐾 = (hlG‘𝐺) |
| ishlg.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| ishlg.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| ishlg.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| hlln.1 | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| hltr.d | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
| btwnhl.1 | ⊢ (𝜑 → 𝐴(𝐾‘𝐷)𝐵) |
| btwnhl.3 | ⊢ (𝜑 → 𝐷 ∈ (𝐴𝐼𝐶)) |
| Ref | Expression |
|---|---|
| btwnhl | ⊢ (𝜑 → 𝐷 ∈ (𝐵𝐼𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ishlg.p | . . 3 ⊢ 𝑃 = (Base‘𝐺) | |
| 2 | eqid 2731 | . . 3 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 3 | ishlg.i | . . 3 ⊢ 𝐼 = (Itv‘𝐺) | |
| 4 | hlln.1 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 5 | 4 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐺 ∈ TarskiG) |
| 6 | ishlg.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 7 | 6 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐶 ∈ 𝑃) |
| 8 | hltr.d | . . . 4 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
| 9 | 8 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐷 ∈ 𝑃) |
| 10 | ishlg.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 11 | 10 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐵 ∈ 𝑃) |
| 12 | ishlg.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 13 | 12 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐴 ∈ 𝑃) |
| 14 | btwnhl.1 | . . . . . . . 8 ⊢ (𝜑 → 𝐴(𝐾‘𝐷)𝐵) | |
| 15 | ishlg.k | . . . . . . . . 9 ⊢ 𝐾 = (hlG‘𝐺) | |
| 16 | 1, 3, 15, 12, 10, 8, 4 | ishlg 28575 | . . . . . . . 8 ⊢ (𝜑 → (𝐴(𝐾‘𝐷)𝐵 ↔ (𝐴 ≠ 𝐷 ∧ 𝐵 ≠ 𝐷 ∧ (𝐴 ∈ (𝐷𝐼𝐵) ∨ 𝐵 ∈ (𝐷𝐼𝐴))))) |
| 17 | 14, 16 | mpbid 232 | . . . . . . 7 ⊢ (𝜑 → (𝐴 ≠ 𝐷 ∧ 𝐵 ≠ 𝐷 ∧ (𝐴 ∈ (𝐷𝐼𝐵) ∨ 𝐵 ∈ (𝐷𝐼𝐴)))) |
| 18 | 17 | simp1d 1142 | . . . . . 6 ⊢ (𝜑 → 𝐴 ≠ 𝐷) |
| 19 | 18 | necomd 2983 | . . . . 5 ⊢ (𝜑 → 𝐷 ≠ 𝐴) |
| 20 | 19 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐷 ≠ 𝐴) |
| 21 | btwnhl.3 | . . . . . 6 ⊢ (𝜑 → 𝐷 ∈ (𝐴𝐼𝐶)) | |
| 22 | 21 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐷 ∈ (𝐴𝐼𝐶)) |
| 23 | 1, 2, 3, 5, 13, 9, 7, 22 | tgbtwncom 28461 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐷 ∈ (𝐶𝐼𝐴)) |
| 24 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐴 ∈ (𝐷𝐼𝐵)) | |
| 25 | 1, 2, 3, 5, 7, 9, 13, 11, 20, 23, 24 | tgbtwnouttr 28470 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐷 ∈ (𝐶𝐼𝐵)) |
| 26 | 1, 2, 3, 5, 7, 9, 11, 25 | tgbtwncom 28461 | . 2 ⊢ ((𝜑 ∧ 𝐴 ∈ (𝐷𝐼𝐵)) → 𝐷 ∈ (𝐵𝐼𝐶)) |
| 27 | 4 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐺 ∈ TarskiG) |
| 28 | 12 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐴 ∈ 𝑃) |
| 29 | 10 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐵 ∈ 𝑃) |
| 30 | 8 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐷 ∈ 𝑃) |
| 31 | 6 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐶 ∈ 𝑃) |
| 32 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐵 ∈ (𝐷𝐼𝐴)) | |
| 33 | 1, 2, 3, 27, 30, 29, 28, 32 | tgbtwncom 28461 | . . 3 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐵 ∈ (𝐴𝐼𝐷)) |
| 34 | 21 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐷 ∈ (𝐴𝐼𝐶)) |
| 35 | 1, 2, 3, 27, 28, 29, 30, 31, 33, 34 | tgbtwnexch3 28467 | . 2 ⊢ ((𝜑 ∧ 𝐵 ∈ (𝐷𝐼𝐴)) → 𝐷 ∈ (𝐵𝐼𝐶)) |
| 36 | 17 | simp3d 1144 | . 2 ⊢ (𝜑 → (𝐴 ∈ (𝐷𝐼𝐵) ∨ 𝐵 ∈ (𝐷𝐼𝐴))) |
| 37 | 26, 35, 36 | mpjaodan 960 | 1 ⊢ (𝜑 → 𝐷 ∈ (𝐵𝐼𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∨ wo 847 ∧ w3a 1086 = wceq 1541 ∈ wcel 2111 ≠ wne 2928 class class class wbr 5086 ‘cfv 6476 (class class class)co 7341 Basecbs 17115 distcds 17165 TarskiGcstrkg 28400 Itvcitv 28406 hlGchlg 28573 |
| 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 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5212 ax-sep 5229 ax-nul 5239 ax-pow 5298 ax-pr 5365 ax-un 7663 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4279 df-if 4471 df-pw 4547 df-sn 4572 df-pr 4574 df-op 4578 df-uni 4855 df-iun 4938 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5506 df-xp 5617 df-rel 5618 df-cnv 5619 df-co 5620 df-dm 5621 df-rn 5622 df-res 5623 df-ima 5624 df-iota 6432 df-fun 6478 df-fn 6479 df-f 6480 df-f1 6481 df-fo 6482 df-f1o 6483 df-fv 6484 df-ov 7344 df-trkgc 28421 df-trkgb 28422 df-trkgcb 28423 df-trkg 28426 df-hlg 28574 |
| This theorem is referenced by: hlcgreulem 28590 opphllem5 28724 colhp 28743 cgrabtwn 28799 sacgr 28804 inaghl 28818 |
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