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Mirrors > Home > MPE Home > Th. List > colperp | Structured version Visualization version GIF version |
Description: Deduce a perpendicularity from perpendicularity and colinearity. (Contributed by Thierry Arnoux, 8-Dec-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) |
colperp.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
colperp.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
colperp.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
colperp.1 | ⊢ (𝜑 → (𝐴𝐿𝐵)(⟂G‘𝐺)𝐷) |
colperp.2 | ⊢ (𝜑 → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) |
colperp.3 | ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
Ref | Expression |
---|---|
colperp | ⊢ (𝜑 → (𝐴𝐿𝐶)(⟂G‘𝐺)𝐷) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | colperpex.p | . . 3 ⊢ 𝑃 = (Base‘𝐺) | |
2 | colperpex.i | . . 3 ⊢ 𝐼 = (Itv‘𝐺) | |
3 | colperpex.l | . . 3 ⊢ 𝐿 = (LineG‘𝐺) | |
4 | colperpex.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
5 | colperp.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
6 | colperp.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
7 | colperp.3 | . . 3 ⊢ (𝜑 → 𝐴 ≠ 𝐶) | |
8 | colperp.1 | . . . 4 ⊢ (𝜑 → (𝐴𝐿𝐵)(⟂G‘𝐺)𝐷) | |
9 | 3, 4, 8 | perpln1 27071 | . . 3 ⊢ (𝜑 → (𝐴𝐿𝐵) ∈ ran 𝐿) |
10 | colperp.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
11 | 1, 2, 3, 4, 5, 10, 9 | tglnne 26989 | . . . 4 ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
12 | 1, 2, 3, 4, 5, 10, 11 | tglinerflx1 26994 | . . 3 ⊢ (𝜑 → 𝐴 ∈ (𝐴𝐿𝐵)) |
13 | 11 | neneqd 2948 | . . . 4 ⊢ (𝜑 → ¬ 𝐴 = 𝐵) |
14 | colperp.2 | . . . . . 6 ⊢ (𝜑 → (𝐶 ∈ (𝐴𝐿𝐵) ∨ 𝐴 = 𝐵)) | |
15 | 14 | orcomd 868 | . . . . 5 ⊢ (𝜑 → (𝐴 = 𝐵 ∨ 𝐶 ∈ (𝐴𝐿𝐵))) |
16 | 15 | ord 861 | . . . 4 ⊢ (𝜑 → (¬ 𝐴 = 𝐵 → 𝐶 ∈ (𝐴𝐿𝐵))) |
17 | 13, 16 | mpd 15 | . . 3 ⊢ (𝜑 → 𝐶 ∈ (𝐴𝐿𝐵)) |
18 | 1, 2, 3, 4, 5, 6, 7, 7, 9, 12, 17 | tglinethru 26997 | . 2 ⊢ (𝜑 → (𝐴𝐿𝐵) = (𝐴𝐿𝐶)) |
19 | 18, 8 | eqbrtrrd 5098 | 1 ⊢ (𝜑 → (𝐴𝐿𝐶)(⟂G‘𝐺)𝐷) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∨ wo 844 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 class class class wbr 5074 ‘cfv 6433 (class class class)co 7275 Basecbs 16912 distcds 16971 TarskiGcstrkg 26788 Itvcitv 26794 LineGclng 26795 ⟂Gcperpg 27056 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-oadd 8301 df-er 8498 df-pm 8618 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-dju 9659 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-xnn0 12306 df-z 12320 df-uz 12583 df-fz 13240 df-fzo 13383 df-hash 14045 df-word 14218 df-concat 14274 df-s1 14301 df-s2 14561 df-s3 14562 df-trkgc 26809 df-trkgb 26810 df-trkgcb 26811 df-trkg 26814 df-cgrg 26872 df-perpg 27057 |
This theorem is referenced by: trgcopy 27165 |
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