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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 2938 | . . 3 ⊢ (𝜑 → ¬ 𝐴 = 𝐵) |
| 3 | ragncol.3 | . . . 4 ⊢ (𝜑 → 𝐶 ≠ 𝐵) | |
| 4 | 3 | neneqd 2938 | . . 3 ⊢ (𝜑 → ¬ 𝐶 = 𝐵) |
| 5 | ioran 986 | . . 3 ⊢ (¬ (𝐴 = 𝐵 ∨ 𝐶 = 𝐵) ↔ (¬ 𝐴 = 𝐵 ∧ ¬ 𝐶 = 𝐵)) | |
| 6 | 2, 4, 5 | sylanbrc 584 | . 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 480 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 𝐺 ∈ TarskiG) |
| 14 | israg.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 15 | 14 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 𝐴 ∈ 𝑃) |
| 16 | israg.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 17 | 16 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 𝐵 ∈ 𝑃) |
| 18 | israg.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 19 | 18 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 𝐶 ∈ 𝑃) |
| 20 | ragncol.1 | . . . 4 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) | |
| 21 | 20 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
| 22 | simpr 484 | . . 3 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) | |
| 23 | 7, 8, 9, 10, 11, 13, 15, 17, 19, 21, 22 | ragflat3 28796 | . 2 ⊢ ((𝜑 ∧ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) → (𝐴 = 𝐵 ∨ 𝐶 = 𝐵)) |
| 24 | 6, 23 | mtand 816 | 1 ⊢ (𝜑 → ¬ (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∨ wo 848 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ‘cfv 6502 (class class class)co 7370 〈“cs3 14779 Basecbs 17150 distcds 17200 TarskiGcstrkg 28516 Itvcitv 28522 LineGclng 28523 pInvGcmir 28742 ∟Gcrag 28783 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 ax-cnex 11096 ax-resscn 11097 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-addrcl 11101 ax-mulcl 11102 ax-mulrcl 11103 ax-mulcom 11104 ax-addass 11105 ax-mulass 11106 ax-distr 11107 ax-i2m1 11108 ax-1ne0 11109 ax-1rid 11110 ax-rnegex 11111 ax-rrecex 11112 ax-cnre 11113 ax-pre-lttri 11114 ax-pre-lttrn 11115 ax-pre-ltadd 11116 ax-pre-mulgt0 11117 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5529 df-eprel 5534 df-po 5542 df-so 5543 df-fr 5587 df-we 5589 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-pred 6269 df-ord 6330 df-on 6331 df-lim 6332 df-suc 6333 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-riota 7327 df-ov 7373 df-oprab 7374 df-mpo 7375 df-om 7821 df-1st 7945 df-2nd 7946 df-frecs 8235 df-wrecs 8266 df-recs 8315 df-rdg 8353 df-1o 8409 df-oadd 8413 df-er 8647 df-map 8779 df-pm 8780 df-en 8898 df-dom 8899 df-sdom 8900 df-fin 8901 df-dju 9827 df-card 9865 df-pnf 11182 df-mnf 11183 df-xr 11184 df-ltxr 11185 df-le 11186 df-sub 11380 df-neg 11381 df-nn 12160 df-2 12222 df-3 12223 df-n0 12416 df-xnn0 12489 df-z 12503 df-uz 12766 df-fz 13438 df-fzo 13585 df-hash 14268 df-word 14451 df-concat 14508 df-s1 14534 df-s2 14785 df-s3 14786 df-trkgc 28537 df-trkgb 28538 df-trkgcb 28539 df-trkg 28542 df-cgrg 28601 df-mir 28743 df-rag 28784 |
| This theorem is referenced by: perpneq 28804 |
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