| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6861 | . . 3 ⊢ ( I ↾ 𝑃):𝑃–1-1-onto→𝑃 | |
| 3 | 2 | a1i 11 | . 2 ⊢ (𝜑 → ( I ↾ 𝑃):𝑃–1-1-onto→𝑃) |
| 4 | fvresi 7176 | . . . . 5 ⊢ (𝑎 ∈ 𝑃 → (( I ↾ 𝑃)‘𝑎) = 𝑎) | |
| 5 | 4 | ad2antrl 741 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → (( I ↾ 𝑃)‘𝑎) = 𝑎) |
| 6 | fvresi 7176 | . . . . 5 ⊢ (𝑏 ∈ 𝑃 → (( I ↾ 𝑃)‘𝑏) = 𝑏) | |
| 7 | 6 | ad2antll 742 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → (( I ↾ 𝑃)‘𝑏) = 𝑏) |
| 8 | 5, 7 | oveq12d 7436 | . . 3 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)) → ((( I ↾ 𝑃)‘𝑎) − (( I ↾ 𝑃)‘𝑏)) = (𝑎 − 𝑏)) |
| 9 | 8 | ralrimivva 3206 | . 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 28991 | . . 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 483 | . 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 850 | 1 ⊢ (𝜑 → ( I ↾ 𝑃) ∈ (𝐺Ismt𝐺)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3077 I cid 5545 ↾ cres 5653 –1-1-onto→wf1o 6536 ‘cfv 6537 (class class class)co 7418 Basecbs 17380 distcds 17430 Ismtcismt 28988 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7421 df-oprab 7422 df-mpo 7423 df-map 8842 df-ismt 28989 |
| This theorem is used by: motgrp 28999 |
| Copyright terms: Public domain | W3C validator |