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Theorem mirauto 26035

Description: Point inversion preserves point inversion. (Contributed by Thierry Arnoux, 30-Jul-2019.)

**Hypotheses**
Ref	Expression
mirval.p	⊢ 𝑃 = (Base‘𝐺)
mirval.d	⊢ − = (dist‘𝐺)
mirval.i	⊢ 𝐼 = (Itv‘𝐺)
mirval.l	⊢ 𝐿 = (LineG‘𝐺)
mirval.s	⊢ 𝑆 = (pInvG‘𝐺)
mirval.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
mirauto.m	⊢ 𝑀 = (𝑆‘𝑇)
mirauto.x	⊢ 𝑋 = (𝑀‘𝐴)
mirauto.y	⊢ 𝑌 = (𝑀‘𝐵)
mirauto.z	⊢ 𝑍 = (𝑀‘𝐶)
mirauto.0	⊢ (𝜑 → 𝑇 ∈ 𝑃)
mirauto.1	⊢ (𝜑 → 𝐴 ∈ 𝑃)
mirauto.2	⊢ (𝜑 → 𝐵 ∈ 𝑃)
mirauto.3	⊢ (𝜑 → 𝐶 ∈ 𝑃)
mirauto.4	⊢ (𝜑 → ((𝑆‘𝐴)‘𝐵) = 𝐶)

**Assertion**
Ref	Expression
mirauto	⊢ (𝜑 → ((𝑆‘𝑋)‘𝑌) = 𝑍)

**Proof of Theorem mirauto**
Step	Hyp	Ref	Expression
1		mirval.p	. . 3 ⊢ 𝑃 = (Base‘𝐺)
2		mirval.d	. . 3 ⊢ − = (dist‘𝐺)
3		mirval.i	. . 3 ⊢ 𝐼 = (Itv‘𝐺)
4		mirval.l	. . 3 ⊢ 𝐿 = (LineG‘𝐺)
5		mirval.s	. . 3 ⊢ 𝑆 = (pInvG‘𝐺)
6		mirval.g	. . 3 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
7		mirauto.x	. . . 4 ⊢ 𝑋 = (𝑀‘𝐴)
8		mirauto.0	. . . . . 6 ⊢ (𝜑 → 𝑇 ∈ 𝑃)
9		mirauto.m	. . . . . 6 ⊢ 𝑀 = (𝑆‘𝑇)
10	1, 2, 3, 4, 5, 6, 8, 9	mirf 26011	. . . . 5 ⊢ (𝜑 → 𝑀:𝑃⟶𝑃)
11		mirauto.1	. . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃)
12	10, 11	ffvelrnd 6624	. . . 4 ⊢ (𝜑 → (𝑀‘𝐴) ∈ 𝑃)
13	7, 12	syl5eqel 2862	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑃)
14		eqid 2777	. . 3 ⊢ (𝑆‘𝑋) = (𝑆‘𝑋)
15		mirauto.y	. . . 4 ⊢ 𝑌 = (𝑀‘𝐵)
16		mirauto.2	. . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃)
17	10, 16	ffvelrnd 6624	. . . 4 ⊢ (𝜑 → (𝑀‘𝐵) ∈ 𝑃)
18	15, 17	syl5eqel 2862	. . 3 ⊢ (𝜑 → 𝑌 ∈ 𝑃)
19		mirauto.z	. . . 4 ⊢ 𝑍 = (𝑀‘𝐶)
20		mirauto.3	. . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃)
21	10, 20	ffvelrnd 6624	. . . 4 ⊢ (𝜑 → (𝑀‘𝐶) ∈ 𝑃)
22	19, 21	syl5eqel 2862	. . 3 ⊢ (𝜑 → 𝑍 ∈ 𝑃)
23		mirauto.4	. . . . . 6 ⊢ (𝜑 → ((𝑆‘𝐴)‘𝐵) = 𝐶)
24	23, 20	eqeltrd 2858	. . . . 5 ⊢ (𝜑 → ((𝑆‘𝐴)‘𝐵) ∈ 𝑃)
25		eqid 2777	. . . . . 6 ⊢ (𝑆‘𝐴) = (𝑆‘𝐴)
26	1, 2, 3, 4, 5, 6, 11, 25, 16	mircgr 26008	. . . . 5 ⊢ (𝜑 → (𝐴 − ((𝑆‘𝐴)‘𝐵)) = (𝐴 − 𝐵))
27	1, 2, 3, 4, 5, 6, 8, 9, 11, 24, 11, 16, 26	mircgrs 26024	. . . 4 ⊢ (𝜑 → ((𝑀‘𝐴) − (𝑀‘((𝑆‘𝐴)‘𝐵))) = ((𝑀‘𝐴) − (𝑀‘𝐵)))
28	7	a1i 11	. . . . 5 ⊢ (𝜑 → 𝑋 = (𝑀‘𝐴))
29	23	fveq2d 6450	. . . . . 6 ⊢ (𝜑 → (𝑀‘((𝑆‘𝐴)‘𝐵)) = (𝑀‘𝐶))
30	29, 19	syl6reqr 2832	. . . . 5 ⊢ (𝜑 → 𝑍 = (𝑀‘((𝑆‘𝐴)‘𝐵)))
31	28, 30	oveq12d 6940	. . . 4 ⊢ (𝜑 → (𝑋 − 𝑍) = ((𝑀‘𝐴) − (𝑀‘((𝑆‘𝐴)‘𝐵))))
32	7, 15	oveq12i 6934	. . . . 5 ⊢ (𝑋 − 𝑌) = ((𝑀‘𝐴) − (𝑀‘𝐵))
33	32	a1i 11	. . . 4 ⊢ (𝜑 → (𝑋 − 𝑌) = ((𝑀‘𝐴) − (𝑀‘𝐵)))
34	27, 31, 33	3eqtr4d 2823	. . 3 ⊢ (𝜑 → (𝑋 − 𝑍) = (𝑋 − 𝑌))
35	1, 2, 3, 4, 5, 6, 11, 25, 16	mirbtwn 26009	. . . . . 6 ⊢ (𝜑 → 𝐴 ∈ (((𝑆‘𝐴)‘𝐵)𝐼𝐵))
36	23	oveq1d 6937	. . . . . 6 ⊢ (𝜑 → (((𝑆‘𝐴)‘𝐵)𝐼𝐵) = (𝐶𝐼𝐵))
37	35, 36	eleqtrd 2860	. . . . 5 ⊢ (𝜑 → 𝐴 ∈ (𝐶𝐼𝐵))
38	1, 2, 3, 4, 5, 6, 8, 9, 20, 11, 16, 37	mirbtwni 26022	. . . 4 ⊢ (𝜑 → (𝑀‘𝐴) ∈ ((𝑀‘𝐶)𝐼(𝑀‘𝐵)))
39	19, 15	oveq12i 6934	. . . 4 ⊢ (𝑍𝐼𝑌) = ((𝑀‘𝐶)𝐼(𝑀‘𝐵))
40	38, 7, 39	3eltr4g 2875	. . 3 ⊢ (𝜑 → 𝑋 ∈ (𝑍𝐼𝑌))
41	1, 2, 3, 4, 5, 6, 13, 14, 18, 22, 34, 40	ismir 26010	. 2 ⊢ (𝜑 → 𝑍 = ((𝑆‘𝑋)‘𝑌))
42	41	eqcomd 2783	1 ⊢ (𝜑 → ((𝑆‘𝑋)‘𝑌) = 𝑍)

Colors of variables: wff setvar class

Syntax hints: → wi 4 = wceq 1601 ∈ wcel 2106 ‘cfv 6135 (class class class)co 6922 Basecbs 16255 distcds 16347 TarskiGcstrkg 25781 Itvcitv 25787 LineGclng 25788 pInvGcmir 26003

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1839 ax-4 1853 ax-5 1953 ax-6 2021 ax-7 2054 ax-8 2108 ax-9 2115 ax-10 2134 ax-11 2149 ax-12 2162 ax-13 2333 ax-ext 2753 ax-rep 5006 ax-sep 5017 ax-nul 5025 ax-pow 5077 ax-pr 5138 ax-un 7226 ax-cnex 10328 ax-resscn 10329 ax-1cn 10330 ax-icn 10331 ax-addcl 10332 ax-addrcl 10333 ax-mulcl 10334 ax-mulrcl 10335 ax-mulcom 10336 ax-addass 10337 ax-mulass 10338 ax-distr 10339 ax-i2m1 10340 ax-1ne0 10341 ax-1rid 10342 ax-rnegex 10343 ax-rrecex 10344 ax-cnre 10345 ax-pre-lttri 10346 ax-pre-lttrn 10347 ax-pre-ltadd 10348 ax-pre-mulgt0 10349

This theorem depends on definitions: df-bi 199 df-an 387 df-or 837 df-3or 1072 df-3an 1073 df-tru 1605 df-ex 1824 df-nf 1828 df-sb 2012 df-mo 2550 df-eu 2586 df-clab 2763 df-cleq 2769 df-clel 2773 df-nfc 2920 df-ne 2969 df-nel 3075 df-ral 3094 df-rex 3095 df-reu 3096 df-rmo 3097 df-rab 3098 df-v 3399 df-sbc 3652 df-csb 3751 df-dif 3794 df-un 3796 df-in 3798 df-ss 3805 df-pss 3807 df-nul 4141 df-if 4307 df-pw 4380 df-sn 4398 df-pr 4400 df-tp 4402 df-op 4404 df-uni 4672 df-int 4711 df-iun 4755 df-br 4887 df-opab 4949 df-mpt 4966 df-tr 4988 df-id 5261 df-eprel 5266 df-po 5274 df-so 5275 df-fr 5314 df-we 5316 df-xp 5361 df-rel 5362 df-cnv 5363 df-co 5364 df-dm 5365 df-rn 5366 df-res 5367 df-ima 5368 df-pred 5933 df-ord 5979 df-on 5980 df-lim 5981 df-suc 5982 df-iota 6099 df-fun 6137 df-fn 6138 df-f 6139 df-f1 6140 df-fo 6141 df-f1o 6142 df-fv 6143 df-riota 6883 df-ov 6925 df-oprab 6926 df-mpt2 6927 df-om 7344 df-1st 7445 df-2nd 7446 df-wrecs 7689 df-recs 7751 df-rdg 7789 df-1o 7843 df-oadd 7847 df-er 8026 df-pm 8143 df-en 8242 df-dom 8243 df-sdom 8244 df-fin 8245 df-card 9098 df-cda 9325 df-pnf 10413 df-mnf 10414 df-xr 10415 df-ltxr 10416 df-le 10417 df-sub 10608 df-neg 10609 df-nn 11375 df-2 11438 df-3 11439 df-n0 11643 df-xnn0 11715 df-z 11729 df-uz 11993 df-fz 12644 df-fzo 12785 df-hash 13436 df-word 13600 df-concat 13661 df-s1 13686 df-s2 13999 df-s3 14000 df-trkgc 25799 df-trkgb 25800 df-trkgcb 25801 df-trkg 25804 df-cgrg 25862 df-mir 26004

This theorem is referenced by: miduniq2 26038 krippenlem 26041

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