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Mirrors > Home > MPE Home > Th. List > idmot | Structured version Visualization version GIF version |
Description: The identity is a motion. (Contributed by Thierry Arnoux, 15-Dec-2019.) |
Ref | Expression |
---|---|
ismot.p | ⊢ 𝑃 = (Base‘𝐺) |
ismot.m | ⊢ − = (dist‘𝐺) |
motgrp.1 | ⊢ (𝜑 → 𝐺 ∈ 𝑉) |
Ref | Expression |
---|---|
idmot | ⊢ (𝜑 → ( I ↾ 𝑃) ∈ (𝐺Ismt𝐺)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | motgrp.1 | . 2 ⊢ (𝜑 → 𝐺 ∈ 𝑉) | |
2 | f1oi 6647 | . . 3 ⊢ ( I ↾ 𝑃):𝑃–1-1-onto→𝑃 | |
3 | 2 | a1i 11 | . 2 ⊢ (𝜑 → ( I ↾ 𝑃):𝑃–1-1-onto→𝑃) |
4 | fvresi 6930 | . . . . 5 ⊢ (𝑎 ∈ 𝑃 → (( I ↾ 𝑃)‘𝑎) = 𝑎) | |
5 | 4 | ad2antrl 726 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → (( I ↾ 𝑃)‘𝑎) = 𝑎) |
6 | fvresi 6930 | . . . . 5 ⊢ (𝑏 ∈ 𝑃 → (( I ↾ 𝑃)‘𝑏) = 𝑏) | |
7 | 6 | ad2antll 727 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → (( I ↾ 𝑃)‘𝑏) = 𝑏) |
8 | 5, 7 | oveq12d 7168 | . . 3 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → ((( I ↾ 𝑃)‘𝑎) − (( I ↾ 𝑃)‘𝑏)) = (𝑎 − 𝑏)) |
9 | 8 | ralrimivva 3191 | . 2 ⊢ (𝜑 → ∀𝑎 ∈ 𝑃 ∀𝑏 ∈ 𝑃 ((( I ↾ 𝑃)‘𝑎) − (( I ↾ 𝑃)‘𝑏)) = (𝑎 − 𝑏)) |
10 | ismot.p | . . . 4 ⊢ 𝑃 = (Base‘𝐺) | |
11 | ismot.m | . . . 4 ⊢ − = (dist‘𝐺) | |
12 | 10, 11 | ismot 26315 | . . 3 ⊢ (𝐺 ∈ 𝑉 → (( I ↾ 𝑃) ∈ (𝐺Ismt𝐺) ↔ (( I ↾ 𝑃):𝑃–1-1-onto→𝑃 ∧ ∀𝑎 ∈ 𝑃 ∀𝑏 ∈ 𝑃 ((( I ↾ 𝑃)‘𝑎) − (( I ↾ 𝑃)‘𝑏)) = (𝑎 − 𝑏)))) |
13 | 12 | biimpar 480 | . 2 ⊢ ((𝐺 ∈ 𝑉 ∧ (( I ↾ 𝑃):𝑃–1-1-onto→𝑃 ∧ ∀𝑎 ∈ 𝑃 ∀𝑏 ∈ 𝑃 ((( I ↾ 𝑃)‘𝑎) − (( I ↾ 𝑃)‘𝑏)) = (𝑎 − 𝑏))) → ( I ↾ 𝑃) ∈ (𝐺Ismt𝐺)) |
14 | 1, 3, 9, 13 | syl12anc 834 | 1 ⊢ (𝜑 → ( I ↾ 𝑃) ∈ (𝐺Ismt𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1533 ∈ wcel 2110 ∀wral 3138 I cid 5454 ↾ cres 5552 –1-1-onto→wf1o 6349 ‘cfv 6350 (class class class)co 7150 Basecbs 16477 distcds 16568 Ismtcismt 26312 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-rep 5183 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4833 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-id 5455 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-ov 7153 df-oprab 7154 df-mpo 7155 df-map 8402 df-ismt 26313 |
This theorem is referenced by: motgrp 26323 |
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