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| Mirrors > Home > MPE Home > Th. List > tgbtwnconnln2 | Structured version Visualization version GIF version | ||
| Description: Derive colinearity from betweenness. (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) |
| tgbtwnconnln1.l | ⊢ 𝐿 = (LineG‘𝐺) |
| tgbtwnconnln1.1 | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| tgbtwnconnln1.2 | ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐶)) |
| tgbtwnconnln1.3 | ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐷)) |
| Ref | Expression |
|---|---|
| tgbtwnconnln2 | ⊢ (𝜑 → (𝐵 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tgbtwnconn.p | . . 3 ⊢ 𝑃 = (Base‘𝐺) | |
| 2 | tgbtwnconnln1.l | . . 3 ⊢ 𝐿 = (LineG‘𝐺) | |
| 3 | tgbtwnconn.i | . . 3 ⊢ 𝐼 = (Itv‘𝐺) | |
| 4 | tgbtwnconn.g | . . . 4 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 5 | 4 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐵𝐼𝐷)) → 𝐺 ∈ TarskiG) |
| 6 | tgbtwnconn.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 7 | 6 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐵𝐼𝐷)) → 𝐶 ∈ 𝑃) |
| 8 | tgbtwnconn.d | . . . 4 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
| 9 | 8 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐵𝐼𝐷)) → 𝐷 ∈ 𝑃) |
| 10 | tgbtwnconn.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 11 | 10 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐵𝐼𝐷)) → 𝐵 ∈ 𝑃) |
| 12 | simpr 489 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐵𝐼𝐷)) → 𝐶 ∈ (𝐵𝐼𝐷)) | |
| 13 | 1, 2, 3, 5, 7, 9, 11, 12 | btwncolg2 28801 | . 2 ⊢ ((𝜑 ∧ 𝐶 ∈ (𝐵𝐼𝐷)) → (𝐵 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) |
| 14 | 4 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐵𝐼𝐶)) → 𝐺 ∈ TarskiG) |
| 15 | 6 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐵𝐼𝐶)) → 𝐶 ∈ 𝑃) |
| 16 | 8 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐵𝐼𝐶)) → 𝐷 ∈ 𝑃) |
| 17 | 10 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐵𝐼𝐶)) → 𝐵 ∈ 𝑃) |
| 18 | eqid 2761 | . . . 4 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 19 | simpr 489 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐵𝐼𝐶)) → 𝐷 ∈ (𝐵𝐼𝐶)) | |
| 20 | 1, 18, 3, 14, 17, 16, 15, 19 | tgbtwncom 28733 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐵𝐼𝐶)) → 𝐷 ∈ (𝐶𝐼𝐵)) |
| 21 | 1, 2, 3, 14, 15, 16, 17, 20 | btwncolg3 28802 | . 2 ⊢ ((𝜑 ∧ 𝐷 ∈ (𝐵𝐼𝐶)) → (𝐵 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) |
| 22 | tgbtwnconn.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 23 | tgbtwnconnln1.1 | . . 3 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
| 24 | tgbtwnconnln1.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐶)) | |
| 25 | tgbtwnconnln1.3 | . . 3 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼𝐷)) | |
| 26 | 1, 3, 4, 22, 10, 6, 8, 23, 24, 25 | tgbtwnconn2 28821 | . 2 ⊢ (𝜑 → (𝐶 ∈ (𝐵𝐼𝐷) ∨ 𝐷 ∈ (𝐵𝐼𝐶))) |
| 27 | 13, 21, 26 | mpjaodan 973 | 1 ⊢ (𝜑 → (𝐵 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∨ wo 860 = wceq 1568 ∈ wcel 2141 ≠ wne 2956 ‘cfv 6536 (class class class)co 7410 Basecbs 17268 distcds 17318 TarskiGcstrkg 28672 Itvcitv 28678 LineGclng 28679 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4595 df-uni 4872 df-int 4912 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7862 df-1st 7985 df-2nd 7986 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8452 df-oadd 8456 df-er 8693 df-pm 8826 df-en 8943 df-dom 8944 df-sdom 8945 df-fin 8946 df-dju 9886 df-card 9924 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-nn 12233 df-2 12302 df-3 12303 df-n0 12504 df-xnn0 12577 df-z 12591 df-uz 12862 df-fz 13535 df-fzo 13682 df-hash 14366 df-word 14550 df-concat 14607 df-s1 14633 df-s2 14884 df-s3 14885 df-trkgc 28693 df-trkgb 28694 df-trkgcb 28695 df-trkg 28698 df-cgrg 28756 |
| This theorem is referenced by: tglineeltr 28880 |
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