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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 484 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐺 ∈ TarskiG) |
8 | israg.c | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
9 | 8 | adantr 484 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐶 ∈ 𝑃) |
10 | israg.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
11 | 10 | adantr 484 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐵 ∈ 𝑃) |
12 | israg.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
13 | 12 | adantr 484 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐴 ∈ 𝑃) |
14 | ragflat3.1 | . . . . . 6 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) | |
15 | 14 | adantr 484 | . . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
16 | simpr 488 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → ¬ 𝐴 = 𝐵) | |
17 | 16 | neqned 2939 | . . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐴 ≠ 𝐵) |
18 | ragflat3.2 | . . . . . . 7 ⊢ (𝜑 → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) | |
19 | 18 | adantr 484 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) |
20 | 1, 4, 3, 7, 13, 11, 9, 19 | colrot1 26604 | . . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → (𝐴 ∈ (𝐵𝐿𝐶) ∨ 𝐵 = 𝐶)) |
21 | 1, 2, 3, 4, 5, 7, 13, 11, 9, 9, 15, 17, 20 | ragcol 26744 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 〈“𝐶𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
22 | 1, 2, 3, 4, 5, 7, 9, 11, 13, 21 | ragtriva 26750 | . . 3 ⊢ ((𝜑 ∧ ¬ 𝐴 = 𝐵) → 𝐶 = 𝐵) |
23 | 22 | ex 416 | . 2 ⊢ (𝜑 → (¬ 𝐴 = 𝐵 → 𝐶 = 𝐵)) |
24 | 23 | orrd 863 | 1 ⊢ (𝜑 → (𝐴 = 𝐵 ∨ 𝐶 = 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 399 ∨ wo 847 = wceq 1543 ∈ wcel 2112 ‘cfv 6358 (class class class)co 7191 〈“cs3 14372 Basecbs 16666 distcds 16758 TarskiGcstrkg 26475 Itvcitv 26481 LineGclng 26482 pInvGcmir 26697 ∟Gcrag 26738 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-cnex 10750 ax-resscn 10751 ax-1cn 10752 ax-icn 10753 ax-addcl 10754 ax-addrcl 10755 ax-mulcl 10756 ax-mulrcl 10757 ax-mulcom 10758 ax-addass 10759 ax-mulass 10760 ax-distr 10761 ax-i2m1 10762 ax-1ne0 10763 ax-1rid 10764 ax-rnegex 10765 ax-rrecex 10766 ax-cnre 10767 ax-pre-lttri 10768 ax-pre-lttrn 10769 ax-pre-ltadd 10770 ax-pre-mulgt0 10771 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-int 4846 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7148 df-ov 7194 df-oprab 7195 df-mpo 7196 df-om 7623 df-1st 7739 df-2nd 7740 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-1o 8180 df-oadd 8184 df-er 8369 df-map 8488 df-pm 8489 df-en 8605 df-dom 8606 df-sdom 8607 df-fin 8608 df-dju 9482 df-card 9520 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-sub 11029 df-neg 11030 df-nn 11796 df-2 11858 df-3 11859 df-n0 12056 df-xnn0 12128 df-z 12142 df-uz 12404 df-fz 13061 df-fzo 13204 df-hash 13862 df-word 14035 df-concat 14091 df-s1 14118 df-s2 14378 df-s3 14379 df-trkgc 26493 df-trkgb 26494 df-trkgcb 26495 df-trkg 26498 df-cgrg 26556 df-mir 26698 df-rag 26739 |
This theorem is referenced by: ragncol 26754 mideulem2 26779 opphllem 26780 |
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