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Theorem lmimot 28891

Description: Line mirroring is a motion of the geometric space. Theorem 10.11 of [Schwabhauser] p. 90. (Contributed by Thierry Arnoux, 15-Dec-2019.)

**Hypotheses**
Ref	Expression
ismid.p	⊢ 𝑃 = (Base‘𝐺)
ismid.d	⊢ − = (dist‘𝐺)
ismid.i	⊢ 𝐼 = (Itv‘𝐺)
ismid.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
ismid.1	⊢ (𝜑 → 𝐺Dim_TarskiG≥2)
lmif.m	⊢ 𝑀 = ((lInvG‘𝐺)‘𝐷)
lmif.l	⊢ 𝐿 = (LineG‘𝐺)
lmif.d	⊢ (𝜑 → 𝐷 ∈ ran 𝐿)

**Assertion**
Ref	Expression
lmimot	⊢ (𝜑 → 𝑀 ∈ (𝐺Ismt𝐺))

Proof of Theorem lmimot Dummy variables 𝑎 𝑏 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ismid.p	. . 3 ⊢ 𝑃 = (Base‘𝐺)
2		ismid.d	. . 3 ⊢ − = (dist‘𝐺)
3		ismid.i	. . 3 ⊢ 𝐼 = (Itv‘𝐺)
4		ismid.g	. . 3 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
5		ismid.1	. . 3 ⊢ (𝜑 → 𝐺Dim_TarskiG≥2)
6		lmif.m	. . 3 ⊢ 𝑀 = ((lInvG‘𝐺)‘𝐷)
7		lmif.l	. . 3 ⊢ 𝐿 = (LineG‘𝐺)
8		lmif.d	. . 3 ⊢ (𝜑 → 𝐷 ∈ ran 𝐿)
9	1, 2, 3, 4, 5, 6, 7, 8	lmif1o 28888	. 2 ⊢ (𝜑 → 𝑀:𝑃–1-1-onto→𝑃)
10	4	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → 𝐺 ∈ TarskiG)
11	5	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → 𝐺Dim_TarskiG≥2)
12	8	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → 𝐷 ∈ ran 𝐿)
13		simprl 776	. . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → 𝑎 ∈ 𝑃)
14		simprr 778	. . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → 𝑏 ∈ 𝑃)
15	1, 2, 3, 10, 11, 6, 7, 12, 13, 14	lmiiso 28890	. . 3 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → ((𝑀‘𝑎) − (𝑀‘𝑏)) = (𝑎 − 𝑏))
16	15	ralrimivva 3183	. 2 ⊢ (𝜑 → ∀𝑎 ∈ 𝑃 ∀𝑏 ∈ 𝑃 ((𝑀‘𝑎) − (𝑀‘𝑏)) = (𝑎 − 𝑏))
17	1, 2	ismot 28628	. . 3 ⊢ (𝐺 ∈ TarskiG → (𝑀 ∈ (𝐺Ismt𝐺) ↔ (𝑀:𝑃–1-1-onto→𝑃 ∧ ∀𝑎 ∈ 𝑃 ∀𝑏 ∈ 𝑃 ((𝑀‘𝑎) − (𝑀‘𝑏)) = (𝑎 − 𝑏))))
18	4, 17	syl 17	. 2 ⊢ (𝜑 → (𝑀 ∈ (𝐺Ismt𝐺) ↔ (𝑀:𝑃–1-1-onto→𝑃 ∧ ∀𝑎 ∈ 𝑃 ∀𝑏 ∈ 𝑃 ((𝑀‘𝑎) − (𝑀‘𝑏)) = (𝑎 − 𝑏))))
19	9, 16, 18	mpbir2and 719	1 ⊢ (𝜑 → 𝑀 ∈ (𝐺Ismt𝐺))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 207 ∧ wa 396 = wceq 1547 ∈ wcel 2119 ∀wral 3054 class class class wbr 5079 ran crn 5626 –1-1-onto→wf1o 6491 ‘cfv 6492 (class class class)co 7363 2c2 12234 Basecbs 17177 distcds 17227 TarskiGcstrkg 28520 Dim_TarskiG≥cstrkgld 28524 Itvcitv 28526 LineGclng 28527 Ismtcismt 28625 lInvGclmi 28866

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-rep 5206 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 ax-un 7685 ax-cnex 11092 ax-resscn 11093 ax-1cn 11094 ax-icn 11095 ax-addcl 11096 ax-addrcl 11097 ax-mulcl 11098 ax-mulrcl 11099 ax-mulcom 11100 ax-addass 11101 ax-mulass 11102 ax-distr 11103 ax-i2m1 11104 ax-1ne0 11105 ax-1rid 11106 ax-rnegex 11107 ax-rrecex 11108 ax-cnre 11109 ax-pre-lttri 11110 ax-pre-lttrn 11111 ax-pre-ltadd 11112 ax-pre-mulgt0 11113

This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-nel 3040 df-ral 3055 df-rex 3065 df-rmo 3345 df-reu 3346 df-rab 3393 df-v 3434 df-sbc 3731 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-tp 4567 df-op 4569 df-uni 4846 df-int 4885 df-iun 4930 df-br 5080 df-opab 5142 df-mpt 5161 df-tr 5187 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7320 df-ov 7366 df-oprab 7367 df-mpo 7368 df-om 7814 df-1st 7938 df-2nd 7939 df-frecs 8228 df-wrecs 8259 df-recs 8308 df-rdg 8346 df-1o 8402 df-oadd 8406 df-er 8640 df-map 8772 df-pm 8773 df-en 8891 df-dom 8892 df-sdom 8893 df-fin 8894 df-dju 9823 df-card 9861 df-pnf 11179 df-mnf 11180 df-xr 11181 df-ltxr 11182 df-le 11183 df-sub 11377 df-neg 11378 df-nn 12173 df-2 12242 df-3 12243 df-n0 12436 df-xnn0 12509 df-z 12523 df-uz 12787 df-fz 13460 df-fzo 13607 df-hash 14291 df-word 14474 df-concat 14531 df-s1 14557 df-s2 14808 df-s3 14809 df-trkgc 28541 df-trkgb 28542 df-trkgcb 28543 df-trkgld 28545 df-trkg 28546 df-cgrg 28604 df-ismt 28626 df-leg 28676 df-mir 28746 df-rag 28787 df-perpg 28789 df-mid 28867 df-lmi 28868

This theorem is referenced by: hypcgrlem2 28893

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