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Mirrors > Home > MPE Home > Th. List > ragmir | Structured version Visualization version GIF version |
Description: Right angle property is preserved by point inversion. Theorem 8.4 of [Schwabhauser] p. 58. (Contributed by Thierry Arnoux, 25-Aug-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) |
ragmir.1 | ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) |
Ref | Expression |
---|---|
ragmir | ⊢ (𝜑 → 〈“𝐴𝐵((𝑆‘𝐵)‘𝐶)”〉 ∈ (∟G‘𝐺)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | israg.p | . . . . 5 ⊢ 𝑃 = (Base‘𝐺) | |
2 | israg.d | . . . . 5 ⊢ − = (dist‘𝐺) | |
3 | israg.i | . . . . 5 ⊢ 𝐼 = (Itv‘𝐺) | |
4 | israg.l | . . . . 5 ⊢ 𝐿 = (LineG‘𝐺) | |
5 | israg.s | . . . . 5 ⊢ 𝑆 = (pInvG‘𝐺) | |
6 | israg.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
7 | israg.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
8 | eqid 2736 | . . . . 5 ⊢ (𝑆‘𝐵) = (𝑆‘𝐵) | |
9 | israg.c | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
10 | 1, 2, 3, 4, 5, 6, 7, 8, 9 | mirmir 27312 | . . . 4 ⊢ (𝜑 → ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶)) = 𝐶) |
11 | 10 | oveq2d 7353 | . . 3 ⊢ (𝜑 → (𝐴 − ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶))) = (𝐴 − 𝐶)) |
12 | ragmir.1 | . . . 4 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺)) | |
13 | israg.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
14 | 1, 2, 3, 4, 5, 6, 13, 7, 9 | israg 27347 | . . . 4 ⊢ (𝜑 → (〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺) ↔ (𝐴 − 𝐶) = (𝐴 − ((𝑆‘𝐵)‘𝐶)))) |
15 | 12, 14 | mpbid 231 | . . 3 ⊢ (𝜑 → (𝐴 − 𝐶) = (𝐴 − ((𝑆‘𝐵)‘𝐶))) |
16 | 11, 15 | eqtr2d 2777 | . 2 ⊢ (𝜑 → (𝐴 − ((𝑆‘𝐵)‘𝐶)) = (𝐴 − ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶)))) |
17 | 1, 2, 3, 4, 5, 6, 7, 8, 9 | mircl 27311 | . . 3 ⊢ (𝜑 → ((𝑆‘𝐵)‘𝐶) ∈ 𝑃) |
18 | 1, 2, 3, 4, 5, 6, 13, 7, 17 | israg 27347 | . 2 ⊢ (𝜑 → (〈“𝐴𝐵((𝑆‘𝐵)‘𝐶)”〉 ∈ (∟G‘𝐺) ↔ (𝐴 − ((𝑆‘𝐵)‘𝐶)) = (𝐴 − ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶))))) |
19 | 16, 18 | mpbird 256 | 1 ⊢ (𝜑 → 〈“𝐴𝐵((𝑆‘𝐵)‘𝐶)”〉 ∈ (∟G‘𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2105 ‘cfv 6479 (class class class)co 7337 〈“cs3 14654 Basecbs 17009 distcds 17068 TarskiGcstrkg 27077 Itvcitv 27083 LineGclng 27084 pInvGcmir 27302 ∟Gcrag 27343 |
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 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2707 ax-rep 5229 ax-sep 5243 ax-nul 5250 ax-pow 5308 ax-pr 5372 ax-un 7650 ax-cnex 11028 ax-resscn 11029 ax-1cn 11030 ax-icn 11031 ax-addcl 11032 ax-addrcl 11033 ax-mulcl 11034 ax-mulrcl 11035 ax-mulcom 11036 ax-addass 11037 ax-mulass 11038 ax-distr 11039 ax-i2m1 11040 ax-1ne0 11041 ax-1rid 11042 ax-rnegex 11043 ax-rrecex 11044 ax-cnre 11045 ax-pre-lttri 11046 ax-pre-lttrn 11047 ax-pre-ltadd 11048 ax-pre-mulgt0 11049 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3349 df-reu 3350 df-rab 3404 df-v 3443 df-sbc 3728 df-csb 3844 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3917 df-nul 4270 df-if 4474 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4853 df-int 4895 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5176 df-tr 5210 df-id 5518 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5575 df-we 5577 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6238 df-ord 6305 df-on 6306 df-lim 6307 df-suc 6308 df-iota 6431 df-fun 6481 df-fn 6482 df-f 6483 df-f1 6484 df-fo 6485 df-f1o 6486 df-fv 6487 df-riota 7293 df-ov 7340 df-oprab 7341 df-mpo 7342 df-om 7781 df-1st 7899 df-2nd 7900 df-frecs 8167 df-wrecs 8198 df-recs 8272 df-rdg 8311 df-1o 8367 df-er 8569 df-map 8688 df-en 8805 df-dom 8806 df-sdom 8807 df-fin 8808 df-card 9796 df-pnf 11112 df-mnf 11113 df-xr 11114 df-ltxr 11115 df-le 11116 df-sub 11308 df-neg 11309 df-nn 12075 df-2 12137 df-3 12138 df-n0 12335 df-z 12421 df-uz 12684 df-fz 13341 df-fzo 13484 df-hash 14146 df-word 14318 df-concat 14374 df-s1 14400 df-s2 14660 df-s3 14661 df-trkgc 27098 df-trkgb 27099 df-trkgcb 27100 df-trkg 27103 df-mir 27303 df-rag 27344 |
This theorem is referenced by: (None) |
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