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| Mirrors > Home > MPE Home > Th. List > ragncol | Structured version Visualization version GIF version | ||
| Description: Right angle implies non-colinearity. A consequence of theorem 8.9 of [Schwabhauser] p. 58. (Contributed by Thierry Arnoux, 1-Dec-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) |
| ragncol.1 | ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
| ragncol.2 | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| ragncol.3 | ⊢ (𝜑 → 𝐶 ≠ 𝐵) |
| Ref | Expression |
|---|---|
| ragncol | ⊢ (𝜑 → ¬ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ragncol.2 | . . . 4 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
| 2 | 1 | neneqd 2969 | . . 3 ⊢ (𝜑 → ¬ 𝐴 = 𝐵) |
| 3 | ragncol.3 | . . . 4 ⊢ (𝜑 → 𝐶 ≠ 𝐵) | |
| 4 | 3 | neneqd 2969 | . . 3 ⊢ (𝜑 → ¬ 𝐶 = 𝐵) |
| 5 | ioran 999 | . . 3 ⊢ (¬ (𝐴 = 𝐵 ∨ 𝐶 = 𝐵) ↔ (¬ 𝐴 = 𝐵 ∧ ¬ 𝐶 = 𝐵)) | |
| 6 | 2, 4, 5 | sylanbrc 594 | . 2 ⊢ (𝜑 → ¬ (𝐴 = 𝐵 ∨ 𝐶 = 𝐵)) |
| 7 | israg.p | . . 3 ⊢ 𝑃 = (Base‘𝐺) | |
| 8 | israg.d | . . 3 ⊢ − = (dist‘𝐺) | |
| 9 | israg.i | . . 3 ⊢ 𝐼 = (Itv‘𝐺) | |
| 10 | israg.l | . . 3 ⊢ 𝐿 = (LineG‘𝐺) | |
| 11 | israg.s | . . 3 ⊢ 𝑆 = (pInvG‘𝐺) | |
| 12 | israg.g | . . . 4 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 13 | 12 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 𝐺 ∈ TarskiG) |
| 14 | israg.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 15 | 14 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 𝐴 ∈ 𝑃) |
| 16 | israg.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 17 | 16 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 𝐵 ∈ 𝑃) |
| 18 | israg.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 19 | 18 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 𝐶 ∈ 𝑃) |
| 20 | ragncol.1 | . . . 4 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) | |
| 21 | 20 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
| 22 | simpr 489 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) | |
| 23 | 7, 8, 9, 10, 11, 13, 15, 17, 19, 21, 22 | ragflat3 28947 | . 2 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → (𝐴 = 𝐵 ∨ 𝐶 = 𝐵)) |
| 24 | 6, 23 | mtand 827 | 1 ⊢ (𝜑 → ¬ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 ∨ wo 860 = wceq 1567 ∈ wcel 2149 ≠ wne 2964 ‘cfv 6539 (class class class)co 7413 〈“cs3 14881 Basecbs 17271 distcds 17321 TarskiGcstrkg 28664 Itvcitv 28670 LineGclng 28671 pInvGcmir 28893 ∟Gcrag 28934 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5273 ax-pow 5339 ax-pr 5407 ax-un 7735 ax-cnex 11158 ax-resscn 11159 ax-1cn 11160 ax-icn 11161 ax-addcl 11162 ax-addrcl 11163 ax-mulcl 11164 ax-mulrcl 11165 ax-mulcom 11166 ax-addass 11167 ax-mulass 11168 ax-distr 11169 ax-i2m1 11170 ax-1ne0 11171 ax-1rid 11172 ax-rnegex 11173 ax-rrecex 11174 ax-cnre 11175 ax-pre-lttri 11176 ax-pre-lttrn 11177 ax-pre-ltadd 11178 ax-pre-mulgt0 11179 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-int 4917 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5559 df-eprel 5564 df-po 5572 df-so 5573 df-fr 5617 df-we 5619 df-xp 5670 df-rel 5671 df-cnv 5672 df-co 5673 df-dm 5674 df-rn 5675 df-res 5676 df-ima 5677 df-pred 6305 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6495 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7865 df-1st 7988 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-oadd 8459 df-er 8696 df-map 8828 df-pm 8829 df-en 8946 df-dom 8947 df-sdom 8948 df-fin 8949 df-dju 9889 df-card 9927 df-pnf 11247 df-mnf 11248 df-xr 11249 df-ltxr 11250 df-le 11251 df-sub 11445 df-neg 11446 df-nn 12236 df-2 12305 df-3 12306 df-n0 12507 df-xnn0 12580 df-z 12594 df-uz 12865 df-fz 13538 df-fzo 13685 df-hash 14369 df-word 14553 df-concat 14610 df-s1 14636 df-s2 14887 df-s3 14888 df-trkgc 28685 df-trkgb 28686 df-trkgcb 28687 df-trkg 28690 df-cgrg 28748 df-mir 28894 df-rag 28935 |
| This theorem is referenced by: perpneq 28955 ragcgra 29105 ragraghl 29106 |
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