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| Mirrors > Home > MPE Home > Th. List > ragflat3 | Structured version Visualization version GIF version | ||
| Description: Right angle and colinearity. Theorem 8.9 of [Schwabhauser] p. 58. (Contributed by Thierry Arnoux, 4-Sep-2019.) |
| Ref | Expression |
|---|---|
| israg.p | ⊢ 𝑃 = (Base‘𝐺) |
| israg.d | ⊢ − = (dist‘𝐺) |
| israg.i | ⊢ 𝐼 = (Itv‘𝐺) |
| israg.l | ⊢ 𝐿 = (LineG‘𝐺) |
| israg.s | ⊢ 𝑆 = (pInvG‘𝐺) |
| israg.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| israg.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| israg.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| israg.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| ragflat3.1 | ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
| ragflat3.2 | ⊢ (𝜑 → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) |
| Ref | Expression |
|---|---|
| ragflat3 | ⊢ (𝜑 → (𝐴 = 𝐵 ∨ 𝐶 = 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | israg.p | . . . 4 ⊢ 𝑃 = (Base‘𝐺) | |
| 2 | israg.d | . . . 4 ⊢ − = (dist‘𝐺) | |
| 3 | israg.i | . . . 4 ⊢ 𝐼 = (Itv‘𝐺) | |
| 4 | israg.l | . . . 4 ⊢ 𝐿 = (LineG‘𝐺) | |
| 5 | israg.s | . . . 4 ⊢ 𝑆 = (pInvG‘𝐺) | |
| 6 | israg.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 7 | 6 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐺 ∈ TarskiG) |
| 8 | israg.c | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 9 | 8 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐶 ∈ 𝑃) |
| 10 | israg.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 11 | 10 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐵 ∈ 𝑃) |
| 12 | israg.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 13 | 12 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐴 ∈ 𝑃) |
| 14 | ragflat3.1 | . . . . . 6 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) | |
| 15 | 14 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
| 16 | simpr 489 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → ¬ 𝐴 = 𝐵) | |
| 17 | 16 | neqned 2967 | . . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐴 ≠ 𝐵) |
| 18 | ragflat3.2 | . . . . . . 7 ⊢ (𝜑 → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) | |
| 19 | 18 | adantr 485 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) |
| 20 | 1, 4, 3, 7, 13, 11, 9, 19 | colrot1 28786 | . . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → (𝐴 ∈ (𝐵𝐿𝐶) ∨ 𝐵 = 𝐶)) |
| 21 | 1, 2, 3, 4, 5, 7, 13, 11, 9, 9, 15, 17, 20 | ragcol 28930 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 〈“𝐶𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
| 22 | 1, 2, 3, 4, 5, 7, 9, 11, 13, 21 | ragtriva 28936 | . . 3 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐶 = 𝐵) |
| 23 | 22 | ex 417 | . 2 ⊢ (𝜑 → (¬ 𝐴 = 𝐵 → 𝐶 = 𝐵)) |
| 24 | 23 | orrd 876 | 1 ⊢ (𝜑 → (𝐴 = 𝐵 ∨ 𝐶 = 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 ∨ wo 860 = wceq 1563 ∈ wcel 2145 ‘cfv 6525 (class class class)co 7400 〈“cs3 14869 Basecbs 17259 distcds 17309 TarskiGcstrkg 28654 Itvcitv 28660 LineGclng 28661 pInvGcmir 28883 ∟Gcrag 28924 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-rep 5232 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4869 df-int 4909 df-iun 4954 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6292 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-1st 7974 df-2nd 7975 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-1o 8441 df-oadd 8445 df-er 8682 df-map 8814 df-pm 8815 df-en 8932 df-dom 8933 df-sdom 8934 df-fin 8935 df-dju 9875 df-card 9913 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-nn 12225 df-2 12294 df-3 12295 df-n0 12496 df-xnn0 12569 df-z 12583 df-uz 12854 df-fz 13527 df-fzo 13674 df-hash 14358 df-word 14541 df-concat 14598 df-s1 14624 df-s2 14875 df-s3 14876 df-trkgc 28675 df-trkgb 28676 df-trkgcb 28677 df-trkg 28680 df-cgrg 28738 df-mir 28884 df-rag 28925 |
| This theorem is referenced by: ragncol 28940 mideulem2 28965 opphllem 28966 |
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