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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 6337 | . . 3 ⊢ ( I ↾ 𝑃):𝑃–1-1-onto→𝑃 | |
3 | 2 | a1i 11 | . 2 ⊢ (𝜑 → ( I ↾ 𝑃):𝑃–1-1-onto→𝑃) |
4 | fvresi 6605 | . . . . 5 ⊢ (𝑎 ∈ 𝑃 → (( I ↾ 𝑃)‘𝑎) = 𝑎) | |
5 | 4 | ad2antrl 766 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → (( I ↾ 𝑃)‘𝑎) = 𝑎) |
6 | fvresi 6605 | . . . . 5 ⊢ (𝑏 ∈ 𝑃 → (( I ↾ 𝑃)‘𝑏) = 𝑏) | |
7 | 6 | ad2antll 767 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → (( I ↾ 𝑃)‘𝑏) = 𝑏) |
8 | 5, 7 | oveq12d 6833 | . . 3 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → ((( I ↾ 𝑃)‘𝑎) − (( I ↾ 𝑃)‘𝑏)) = (𝑎 − 𝑏)) |
9 | 8 | ralrimivva 3110 | . 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 25651 | . . 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 503 | . 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 1475 | 1 ⊢ (𝜑 → ( I ↾ 𝑃) ∈ (𝐺Ismt𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1632 ∈ wcel 2140 ∀wral 3051 I cid 5174 ↾ cres 5269 –1-1-onto→wf1o 6049 ‘cfv 6050 (class class class)co 6815 Basecbs 16080 distcds 16173 Ismtcismt 25648 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1871 ax-4 1886 ax-5 1989 ax-6 2055 ax-7 2091 ax-8 2142 ax-9 2149 ax-10 2169 ax-11 2184 ax-12 2197 ax-13 2392 ax-ext 2741 ax-rep 4924 ax-sep 4934 ax-nul 4942 ax-pow 4993 ax-pr 5056 ax-un 7116 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3an 1074 df-tru 1635 df-ex 1854 df-nf 1859 df-sb 2048 df-eu 2612 df-mo 2613 df-clab 2748 df-cleq 2754 df-clel 2757 df-nfc 2892 df-ne 2934 df-ral 3056 df-rex 3057 df-reu 3058 df-rab 3060 df-v 3343 df-sbc 3578 df-csb 3676 df-dif 3719 df-un 3721 df-in 3723 df-ss 3730 df-nul 4060 df-if 4232 df-pw 4305 df-sn 4323 df-pr 4325 df-op 4329 df-uni 4590 df-iun 4675 df-br 4806 df-opab 4866 df-mpt 4883 df-id 5175 df-xp 5273 df-rel 5274 df-cnv 5275 df-co 5276 df-dm 5277 df-rn 5278 df-res 5279 df-ima 5280 df-iota 6013 df-fun 6052 df-fn 6053 df-f 6054 df-f1 6055 df-fo 6056 df-f1o 6057 df-fv 6058 df-ov 6818 df-oprab 6819 df-mpt2 6820 df-map 8028 df-ismt 25649 |
This theorem is referenced by: motgrp 25659 |
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