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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 2761 | . . . . 5 ⊢ (𝑆‘𝐵) = (𝑆‘𝐵) | |
| 9 | israg.c | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 10 | 1, 2, 3, 4, 5, 6, 7, 8, 9 | mirmir 28818 | . . . 4 ⊢ (𝜑 → ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶)) = 𝐶) |
| 11 | 10 | oveq2d 7406 | . . 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 28853 | . . . 4 ⊢ (𝜑 → (〈“𝐴𝐵𝐶”〉 ∈ (∟G‘𝐺) ↔ (𝐴 − 𝐶) = (𝐴 − ((𝑆‘𝐵)‘𝐶)))) |
| 15 | 12, 14 | mpbid 234 | . . 3 ⊢ (𝜑 → (𝐴 − 𝐶) = (𝐴 − ((𝑆‘𝐵)‘𝐶))) |
| 16 | 11, 15 | eqtr2d 2797 | . 2 ⊢ (𝜑 → (𝐴 − ((𝑆‘𝐵)‘𝐶)) = (𝐴 − ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶)))) |
| 17 | 1, 2, 3, 4, 5, 6, 7, 8, 9 | mircl 28817 | . . 3 ⊢ (𝜑 → ((𝑆‘𝐵)‘𝐶) ∈ 𝑃) |
| 18 | 1, 2, 3, 4, 5, 6, 13, 7, 17 | israg 28853 | . 2 ⊢ (𝜑 → (〈“𝐴𝐵((𝑆‘𝐵)‘𝐶)”〉 ∈ (∟G‘𝐺) ↔ (𝐴 − ((𝑆‘𝐵)‘𝐶)) = (𝐴 − ((𝑆‘𝐵)‘((𝑆‘𝐵)‘𝐶))))) |
| 19 | 16, 18 | mpbird 259 | 1 ⊢ (𝜑 → 〈“𝐴𝐵((𝑆‘𝐵)‘𝐶)”〉 ∈ (∟G‘𝐺)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 ‘cfv 6515 (class class class)co 7390 〈“cs3 14848 Basecbs 17235 distcds 17285 TarskiGcstrkg 28583 Itvcitv 28589 LineGclng 28590 pInvGcmir 28808 ∟Gcrag 28849 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7712 ax-cnex 11122 ax-resscn 11123 ax-1cn 11124 ax-icn 11125 ax-addcl 11126 ax-addrcl 11127 ax-mulcl 11128 ax-mulrcl 11129 ax-mulcom 11130 ax-addass 11131 ax-mulass 11132 ax-distr 11133 ax-i2m1 11134 ax-1ne0 11135 ax-1rid 11136 ax-rnegex 11137 ax-rrecex 11138 ax-cnre 11139 ax-pre-lttri 11140 ax-pre-lttrn 11141 ax-pre-ltadd 11142 ax-pre-mulgt0 11143 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-int 4903 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6282 df-ord 6343 df-on 6344 df-lim 6345 df-suc 6346 df-iota 6471 df-fun 6517 df-fn 6518 df-f 6519 df-f1 6520 df-fo 6521 df-f1o 6522 df-fv 6523 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7841 df-1st 7964 df-2nd 7965 df-frecs 8255 df-wrecs 8286 df-recs 8335 df-rdg 8374 df-1o 8430 df-er 8671 df-map 8803 df-en 8921 df-dom 8922 df-sdom 8923 df-fin 8924 df-card 9890 df-pnf 11211 df-mnf 11212 df-xr 11213 df-ltxr 11214 df-le 11215 df-sub 11409 df-neg 11410 df-nn 12204 df-2 12273 df-3 12274 df-n0 12475 df-z 12562 df-uz 12833 df-fz 13506 df-fzo 13653 df-hash 14337 df-word 14520 df-concat 14577 df-s1 14603 df-s2 14854 df-s3 14855 df-trkgc 28604 df-trkgb 28605 df-trkgcb 28606 df-trkg 28609 df-mir 28809 df-rag 28850 |
| This theorem is referenced by: (None) |
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