motcgrg - Metamath Proof Explorer

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Theorem motcgrg 26333

Description: Property of a motion: distances are preserved. (Contributed by Thierry Arnoux, 15-Dec-2019.)

**Hypotheses**
Ref	Expression
ismot.p	⊢ 𝑃 = (Base‘𝐺)
ismot.m	⊢ − = (dist‘𝐺)
motgrp.1	⊢ (𝜑 → 𝐺 ∈ 𝑉)
motgrp.i	⊢ 𝐼 = {⟨(Base‘ndx), (𝐺Ismt𝐺)⟩, ⟨(+_g‘ndx), (𝑓 ∈ (𝐺Ismt𝐺), 𝑔 ∈ (𝐺Ismt𝐺) ↦ (𝑓 ∘ 𝑔))⟩}
motcgrg.r	⊢ ∼ = (cgrG‘𝐺)
motcgrg.t	⊢ (𝜑 → 𝑇 ∈ Word 𝑃)
motcgrg.f	⊢ (𝜑 → 𝐹 ∈ (𝐺Ismt𝐺))

**Assertion**
Ref	Expression
motcgrg	⊢ (𝜑 → (𝐹 ∘ 𝑇) ∼ 𝑇)

Distinct variable groups: 𝑓,𝐺,𝑔 𝑓,𝐼,𝑔 𝑃,𝑓,𝑔 𝜑,𝑓,𝑔 Allowed substitution hints: ∼ (𝑓,𝑔) 𝑇(𝑓,𝑔) 𝐹(𝑓,𝑔) − (𝑓,𝑔) 𝑉(𝑓,𝑔)

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

Step	Hyp	Ref	Expression
1		simpr 487	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) → 𝑇:(0..^𝑛)⟶𝑃)
2	1	adantr 483	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → 𝑇:(0..^𝑛)⟶𝑃)
3		simprl 769	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → 𝑎 ∈ dom (𝐹 ∘ 𝑇))
4		ismot.p	. . . . . . . . . . . . . 14 ⊢ 𝑃 = (Base‘𝐺)
5		ismot.m	. . . . . . . . . . . . . 14 ⊢ − = (dist‘𝐺)
6		motgrp.1	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐺 ∈ 𝑉)
7		motcgrg.f	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐹 ∈ (𝐺Ismt𝐺))
8	4, 5, 6, 7	motf1o 26327	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐹:𝑃–1-1-onto→𝑃)
9		f1of 6618	. . . . . . . . . . . . 13 ⊢ (𝐹:𝑃–1-1-onto→𝑃 → 𝐹:𝑃⟶𝑃)
10	8, 9	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐹:𝑃⟶𝑃)
11	10	ad2antrr 724	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) → 𝐹:𝑃⟶𝑃)
12		fco 6534	. . . . . . . . . . 11 ⊢ ((𝐹:𝑃⟶𝑃 ∧ 𝑇:(0..^𝑛)⟶𝑃) → (𝐹 ∘ 𝑇):(0..^𝑛)⟶𝑃)
13	11, 1, 12	syl2anc 586	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) → (𝐹 ∘ 𝑇):(0..^𝑛)⟶𝑃)
14	13	adantr 483	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → (𝐹 ∘ 𝑇):(0..^𝑛)⟶𝑃)
15	14	fdmd 6526	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → dom (𝐹 ∘ 𝑇) = (0..^𝑛))
16	3, 15	eleqtrd 2918	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → 𝑎 ∈ (0..^𝑛))
17		fvco3 6763	. . . . . . 7 ⊢ ((𝑇:(0..^𝑛)⟶𝑃 ∧ 𝑎 ∈ (0..^𝑛)) → ((𝐹 ∘ 𝑇)‘𝑎) = (𝐹‘(𝑇‘𝑎)))
18	2, 16, 17	syl2anc 586	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → ((𝐹 ∘ 𝑇)‘𝑎) = (𝐹‘(𝑇‘𝑎)))
19		simprr 771	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → 𝑏 ∈ dom (𝐹 ∘ 𝑇))
20	19, 15	eleqtrd 2918	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → 𝑏 ∈ (0..^𝑛))
21		fvco3 6763	. . . . . . 7 ⊢ ((𝑇:(0..^𝑛)⟶𝑃 ∧ 𝑏 ∈ (0..^𝑛)) → ((𝐹 ∘ 𝑇)‘𝑏) = (𝐹‘(𝑇‘𝑏)))
22	2, 20, 21	syl2anc 586	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → ((𝐹 ∘ 𝑇)‘𝑏) = (𝐹‘(𝑇‘𝑏)))
23	18, 22	oveq12d 7177	. . . . 5 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → (((𝐹 ∘ 𝑇)‘𝑎) − ((𝐹 ∘ 𝑇)‘𝑏)) = ((𝐹‘(𝑇‘𝑎)) − (𝐹‘(𝑇‘𝑏))))
24	6	ad2antrr 724	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) → 𝐺 ∈ 𝑉)
25	24	adantr 483	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → 𝐺 ∈ 𝑉)
26	2, 16	ffvelrnd 6855	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → (𝑇‘𝑎) ∈ 𝑃)
27	2, 20	ffvelrnd 6855	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → (𝑇‘𝑏) ∈ 𝑃)
28	7	ad3antrrr 728	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → 𝐹 ∈ (𝐺Ismt𝐺))
29	4, 5, 25, 26, 27, 28	motcgr 26325	. . . . 5 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → ((𝐹‘(𝑇‘𝑎)) − (𝐹‘(𝑇‘𝑏))) = ((𝑇‘𝑎) − (𝑇‘𝑏)))
30	23, 29	eqtrd 2859	. . . 4 ⊢ ((((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) ∧ (𝑎 ∈ dom (𝐹 ∘ 𝑇) ∧ 𝑏 ∈ dom (𝐹 ∘ 𝑇))) → (((𝐹 ∘ 𝑇)‘𝑎) − ((𝐹 ∘ 𝑇)‘𝑏)) = ((𝑇‘𝑎) − (𝑇‘𝑏)))
31	30	ralrimivva 3194	. . 3 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) → ∀𝑎 ∈ dom (𝐹 ∘ 𝑇)∀𝑏 ∈ dom (𝐹 ∘ 𝑇)(((𝐹 ∘ 𝑇)‘𝑎) − ((𝐹 ∘ 𝑇)‘𝑏)) = ((𝑇‘𝑎) − (𝑇‘𝑏)))
32		motcgrg.r	. . . 4 ⊢ ∼ = (cgrG‘𝐺)
33		fzo0ssnn0 13121	. . . . . 6 ⊢ (0..^𝑛) ⊆ ℕ₀
34		nn0ssre 11904	. . . . . 6 ⊢ ℕ₀ ⊆ ℝ
35	33, 34	sstri 3979	. . . . 5 ⊢ (0..^𝑛) ⊆ ℝ
36	35	a1i 11	. . . 4 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) → (0..^𝑛) ⊆ ℝ)
37	4, 5, 32, 24, 36, 13, 1	iscgrgd 26302	. . 3 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) → ((𝐹 ∘ 𝑇) ∼ 𝑇 ↔ ∀𝑎 ∈ dom (𝐹 ∘ 𝑇)∀𝑏 ∈ dom (𝐹 ∘ 𝑇)(((𝐹 ∘ 𝑇)‘𝑎) − ((𝐹 ∘ 𝑇)‘𝑏)) = ((𝑇‘𝑎) − (𝑇‘𝑏))))
38	31, 37	mpbird 259	. 2 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑇:(0..^𝑛)⟶𝑃) → (𝐹 ∘ 𝑇) ∼ 𝑇)
39		motcgrg.t	. . 3 ⊢ (𝜑 → 𝑇 ∈ Word 𝑃)
40		iswrd 13866	. . 3 ⊢ (𝑇 ∈ Word 𝑃 ↔ ∃𝑛 ∈ ℕ₀ 𝑇:(0..^𝑛)⟶𝑃)
41	39, 40	sylib 220	. 2 ⊢ (𝜑 → ∃𝑛 ∈ ℕ₀ 𝑇:(0..^𝑛)⟶𝑃)
42	38, 41	r19.29a 3292	1 ⊢ (𝜑 → (𝐹 ∘ 𝑇) ∼ 𝑇)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 398 = wceq 1536 ∈ wcel 2113 ∀wral 3141 ∃wrex 3142 ⊆ wss 3939 {cpr 4572 ⟨cop 4576 class class class wbr 5069 dom cdm 5558 ∘ ccom 5562 ⟶wf 6354 –1-1-onto→wf1o 6357 ‘cfv 6358 (class class class)co 7159 ∈ cmpo 7161 ℝcr 10539 0cc0 10540 ℕ₀cn0 11900 ..^cfzo 13036 Word cword 13864 ndxcnx 16483 Basecbs 16486 +_gcplusg 16568 distcds 16577 cgrGccgrg 26299 Ismtcismt 26321

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-rep 5193 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-cnex 10596 ax-resscn 10597 ax-1cn 10598 ax-icn 10599 ax-addcl 10600 ax-addrcl 10601 ax-mulcl 10602 ax-mulrcl 10603 ax-mulcom 10604 ax-addass 10605 ax-mulass 10606 ax-distr 10607 ax-i2m1 10608 ax-1ne0 10609 ax-1rid 10610 ax-rnegex 10611 ax-rrecex 10612 ax-cnre 10613 ax-pre-lttri 10614 ax-pre-lttrn 10615 ax-pre-ltadd 10616 ax-pre-mulgt0 10617

This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-reu 3148 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-pss 3957 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-tp 4575 df-op 4577 df-uni 4842 df-iun 4924 df-br 5070 df-opab 5132 df-mpt 5150 df-tr 5176 df-id 5463 df-eprel 5468 df-po 5477 df-so 5478 df-fr 5517 df-we 5519 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-pred 6151 df-ord 6197 df-on 6198 df-lim 6199 df-suc 6200 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7117 df-ov 7162 df-oprab 7163 df-mpo 7164 df-om 7584 df-1st 7692 df-2nd 7693 df-wrecs 7950 df-recs 8011 df-rdg 8049 df-er 8292 df-map 8411 df-pm 8412 df-en 8513 df-dom 8514 df-sdom 8515 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 df-sub 10875 df-neg 10876 df-nn 11642 df-n0 11901 df-z 11985 df-uz 12247 df-fz 12896 df-fzo 13037 df-word 13865 df-cgrg 26300 df-ismt 26322

This theorem is referenced by: (None)

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