| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > perprag | Structured version Visualization version GIF version | ||
| Description: Deduce a right angle from perpendicular lines. (Contributed by Thierry Arnoux, 10-Nov-2019.) |
| Ref | Expression |
|---|---|
| colperpex.p | ⊢ 𝑃 = (Base‘𝐺) |
| colperpex.d | ⊢ − = (dist‘𝐺) |
| colperpex.i | ⊢ 𝐼 = (Itv‘𝐺) |
| colperpex.l | ⊢ 𝐿 = (LineG‘𝐺) |
| colperpex.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| perprag.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| perprag.2 | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| perprag.3 | ⊢ (𝜑 → 𝐶 ∈ (𝐴𝐿𝐵)) |
| perprag.4 | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
| perprag.5 | ⊢ (𝜑 → (𝐴𝐿𝐵)(⟂G‘𝐺)(𝐶𝐿𝐷)) |
| Ref | Expression |
|---|---|
| perprag | ⊢ (𝜑 → 〈“𝐴𝐶𝐷”〉 ∈ (∟G‘𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqidd 2737 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 = 𝐷) → 𝐴 = 𝐴) | |
| 2 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 = 𝐷) → 𝐶 = 𝐷) | |
| 3 | eqidd 2737 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 = 𝐷) → 𝐷 = 𝐷) | |
| 4 | 1, 2, 3 | s3eqd 14787 | . . 3 ⊢ ((𝜑 ∧ 𝐶 = 𝐷) → 〈“𝐴𝐶𝐷”〉 = 〈“𝐴𝐷𝐷”〉) |
| 5 | colperpex.p | . . . . 5 ⊢ 𝑃 = (Base‘𝐺) | |
| 6 | colperpex.d | . . . . 5 ⊢ − = (dist‘𝐺) | |
| 7 | colperpex.i | . . . . 5 ⊢ 𝐼 = (Itv‘𝐺) | |
| 8 | colperpex.l | . . . . 5 ⊢ 𝐿 = (LineG‘𝐺) | |
| 9 | eqid 2736 | . . . . 5 ⊢ (pInvG‘𝐺) = (pInvG‘𝐺) | |
| 10 | colperpex.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 11 | perprag.1 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 12 | perprag.4 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
| 13 | 5, 6, 7, 8, 9, 10, 11, 12, 12 | ragtrivb 28774 | . . . 4 ⊢ (𝜑 → 〈“𝐴𝐷𝐷”〉 ∈ (∟G‘𝐺)) |
| 14 | 13 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐶 = 𝐷) → 〈“𝐴𝐷𝐷”〉 ∈ (∟G‘𝐺)) |
| 15 | 4, 14 | eqeltrd 2836 | . 2 ⊢ ((𝜑 ∧ 𝐶 = 𝐷) → 〈“𝐴𝐶𝐷”〉 ∈ (∟G‘𝐺)) |
| 16 | 10 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐺 ∈ TarskiG) |
| 17 | perprag.2 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 18 | perprag.3 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ (𝐴𝐿𝐵)) | |
| 19 | 5, 8, 7, 10, 11, 17, 18 | tglngne 28622 | . . . . 5 ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| 20 | 5, 7, 8, 10, 11, 17, 19 | tgelrnln 28702 | . . . 4 ⊢ (𝜑 → (𝐴𝐿𝐵) ∈ ran 𝐿) |
| 21 | 20 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → (𝐴𝐿𝐵) ∈ ran 𝐿) |
| 22 | 5, 8, 7, 10, 20, 18 | tglnpt 28621 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| 23 | 22 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐶 ∈ 𝑃) |
| 24 | 12 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐷 ∈ 𝑃) |
| 25 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐶 ≠ 𝐷) | |
| 26 | 5, 7, 8, 16, 23, 24, 25 | tgelrnln 28702 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → (𝐶𝐿𝐷) ∈ ran 𝐿) |
| 27 | 18 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐶 ∈ (𝐴𝐿𝐵)) |
| 28 | 5, 7, 8, 16, 23, 24, 25 | tglinerflx1 28705 | . . . 4 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐶 ∈ (𝐶𝐿𝐷)) |
| 29 | 27, 28 | elind 4152 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐶 ∈ ((𝐴𝐿𝐵) ∩ (𝐶𝐿𝐷))) |
| 30 | 5, 7, 8, 10, 11, 17, 19 | tglinerflx1 28705 | . . . 4 ⊢ (𝜑 → 𝐴 ∈ (𝐴𝐿𝐵)) |
| 31 | 30 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐴 ∈ (𝐴𝐿𝐵)) |
| 32 | 5, 7, 8, 16, 23, 24, 25 | tglinerflx2 28706 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐷 ∈ (𝐶𝐿𝐷)) |
| 33 | perprag.5 | . . . 4 ⊢ (𝜑 → (𝐴𝐿𝐵)(⟂G‘𝐺)(𝐶𝐿𝐷)) | |
| 34 | 33 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → (𝐴𝐿𝐵)(⟂G‘𝐺)(𝐶𝐿𝐷)) |
| 35 | 5, 6, 7, 8, 16, 21, 26, 29, 31, 32, 34 | isperp2d 28788 | . 2 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 〈“𝐴𝐶𝐷”〉 ∈ (∟G‘𝐺)) |
| 36 | 15, 35 | pm2.61dane 3019 | 1 ⊢ (𝜑 → 〈“𝐴𝐶𝐷”〉 ∈ (∟G‘𝐺)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ≠ wne 2932 class class class wbr 5098 ran crn 5625 ‘cfv 6492 (class class class)co 7358 〈“cs3 14765 Basecbs 17136 distcds 17186 TarskiGcstrkg 28499 Itvcitv 28505 LineGclng 28506 pInvGcmir 28724 ∟Gcrag 28765 ⟂Gcperpg 28767 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-oadd 8401 df-er 8635 df-map 8765 df-pm 8766 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-dju 9813 df-card 9851 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-nn 12146 df-2 12208 df-3 12209 df-n0 12402 df-xnn0 12475 df-z 12489 df-uz 12752 df-fz 13424 df-fzo 13571 df-hash 14254 df-word 14437 df-concat 14494 df-s1 14520 df-s2 14771 df-s3 14772 df-trkgc 28520 df-trkgb 28521 df-trkgcb 28522 df-trkg 28525 df-cgrg 28583 df-mir 28725 df-rag 28766 df-perpg 28768 |
| This theorem is referenced by: perpdragALT 28799 perpdrag 28800 colperpexlem3 28804 mideulem2 28806 opphllem 28807 opphllem5 28823 opphllem6 28824 trgcopy 28876 |
| Copyright terms: Public domain | W3C validator |