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| Mirrors > Home > MPE Home > Th. List > Mathboxes > idldil | Structured version Visualization version GIF version | ||
| Description: The identity function is a lattice dilation. (Contributed by NM, 18-May-2012.) |
| Ref | Expression |
|---|---|
| idldil.b | ⊢ 𝐵 = (Base‘𝐾) |
| idldil.h | ⊢ 𝐻 = (LHyp‘𝐾) |
| idldil.d | ⊢ 𝐷 = ((LDil‘𝐾)‘𝑊) |
| Ref | Expression |
|---|---|
| idldil | ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻) → ( I ↾ 𝐵) ∈ 𝐷) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | idldil.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | eqid 2735 | . . . 4 ⊢ (LAut‘𝐾) = (LAut‘𝐾) | |
| 3 | 1, 2 | idlaut 40530 | . . 3 ⊢ (𝐾 ∈ 𝐴 → ( I ↾ 𝐵) ∈ (LAut‘𝐾)) |
| 4 | 3 | adantr 480 | . 2 ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻) → ( I ↾ 𝐵) ∈ (LAut‘𝐾)) |
| 5 | fvresi 7117 | . . . . 5 ⊢ (𝑥 ∈ 𝐵 → (( I ↾ 𝐵)‘𝑥) = 𝑥) | |
| 6 | 5 | a1d 25 | . . . 4 ⊢ (𝑥 ∈ 𝐵 → (𝑥(le‘𝐾)𝑊 → (( I ↾ 𝐵)‘𝑥) = 𝑥)) |
| 7 | 6 | rgen 3051 | . . 3 ⊢ ∀𝑥 ∈ 𝐵 (𝑥(le‘𝐾)𝑊 → (( I ↾ 𝐵)‘𝑥) = 𝑥) |
| 8 | 7 | a1i 11 | . 2 ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻) → ∀𝑥 ∈ 𝐵 (𝑥(le‘𝐾)𝑊 → (( I ↾ 𝐵)‘𝑥) = 𝑥)) |
| 9 | eqid 2735 | . . 3 ⊢ (le‘𝐾) = (le‘𝐾) | |
| 10 | idldil.h | . . 3 ⊢ 𝐻 = (LHyp‘𝐾) | |
| 11 | idldil.d | . . 3 ⊢ 𝐷 = ((LDil‘𝐾)‘𝑊) | |
| 12 | 1, 9, 10, 2, 11 | isldil 40544 | . 2 ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻) → (( I ↾ 𝐵) ∈ 𝐷 ↔ (( I ↾ 𝐵) ∈ (LAut‘𝐾) ∧ ∀𝑥 ∈ 𝐵 (𝑥(le‘𝐾)𝑊 → (( I ↾ 𝐵)‘𝑥) = 𝑥)))) |
| 13 | 4, 8, 12 | mpbir2and 714 | 1 ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻) → ( I ↾ 𝐵) ∈ 𝐷) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3049 class class class wbr 5074 I cid 5514 ↾ cres 5622 ‘cfv 6487 Basecbs 17168 lecple 17216 LHypclh 40418 LAutclaut 40419 LDilcldil 40534 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2184 ax-ext 2707 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2931 df-ral 3050 df-rex 3060 df-reu 3341 df-rab 3388 df-v 3429 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-id 5515 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-ov 7359 df-oprab 7360 df-mpo 7361 df-map 8764 df-laut 40423 df-ldil 40538 |
| This theorem is referenced by: idltrn 40584 |
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