| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2769 | . . . . 5 ⊢ (𝑆‘𝐵) = (𝑆‘𝐵) | |
| 9 | israg.c | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 10 | 1, 2, 3, 4, 5, 6, 7, 8, 9 | mirmir 28897 | . . . 4 ⊢ (𝜑 → ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶)) = 𝐶) |
| 11 | 10 | oveq2d 7424 | . . 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 28932 | . . . 4 ⊢ (𝜑 → (〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺) ↔ (𝐴 − 𝐶) = (𝐴 − ((𝑆‘𝐵)‘𝐶)))) |
| 15 | 12, 14 | mpbid 235 | . . 3 ⊢ (𝜑 → (𝐴 − 𝐶) = (𝐴 − ((𝑆‘𝐵)‘𝐶))) |
| 16 | 11, 15 | eqtr2d 2805 | . 2 ⊢ (𝜑 → (𝐴 − ((𝑆‘𝐵)‘𝐶)) = (𝐴 − ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶)))) |
| 17 | 1, 2, 3, 4, 5, 6, 7, 8, 9 | mircl 28896 | . . 3 ⊢ (𝜑 → ((𝑆‘𝐵)‘𝐶) ∈ 𝑃) |
| 18 | 1, 2, 3, 4, 5, 6, 13, 7, 17 | israg 28932 | . 2 ⊢ (𝜑 → (〈“𝐴𝐵((𝑆‘𝐵)‘𝐶)”〉 ∈ (∟G‘𝐺) ↔ (𝐴 − ((𝑆‘𝐵)‘𝐶)) = (𝐴 − ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶))))) |
| 19 | 16, 18 | mpbird 260 | 1 ⊢ (𝜑 → 〈“𝐴𝐵((𝑆‘𝐵)‘𝐶)”〉 ∈ (∟G‘𝐺)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 ‘cfv 6534 (class class class)co 7408 〈“cs3 14875 Basecbs 17265 distcds 17315 TarskiGcstrkg 28658 Itvcitv 28664 LineGclng 28665 pInvGcmir 28887 ∟Gcrag 28928 |
| 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 5239 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-cnex 11152 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 ax-pre-mulgt0 11173 |
| 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 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-int 4914 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6300 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-er 8690 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-card 9921 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 df-sub 11439 df-neg 11440 df-nn 12230 df-2 12299 df-3 12300 df-n0 12501 df-z 12588 df-uz 12859 df-fz 13532 df-fzo 13679 df-hash 14363 df-word 14547 df-concat 14604 df-s1 14630 df-s2 14881 df-s3 14882 df-trkgc 28679 df-trkgb 28680 df-trkgcb 28681 df-trkg 28684 df-mir 28888 df-rag 28929 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |