| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > diadm | Structured version Visualization version GIF version | ||
| Description: Domain of the partial isomorphism A. (Contributed by NM, 3-Dec-2013.) |
| Ref | Expression |
|---|---|
| diafn.b | ⊢ 𝐵 = (Base‘𝐾) |
| diafn.l | ⊢ ≤ = (le‘𝐾) |
| diafn.h | ⊢ 𝐻 = (LHyp‘𝐾) |
| diafn.i | ⊢ 𝐼 = ((DIsoA‘𝐾)‘𝑊) |
| Ref | Expression |
|---|---|
| diadm | ⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → dom 𝐼 = {𝑥 ∈ 𝐵 ∣ 𝑥 ≤ 𝑊}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | diafn.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | diafn.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 3 | diafn.h | . . 3 ⊢ 𝐻 = (LHyp‘𝐾) | |
| 4 | diafn.i | . . 3 ⊢ 𝐼 = ((DIsoA‘𝐾)‘𝑊) | |
| 5 | 1, 2, 3, 4 | diafn 41036 | . 2 ⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → 𝐼 Fn {𝑥 ∈ 𝐵 ∣ 𝑥 ≤ 𝑊}) |
| 6 | 5 | fndmd 6673 | 1 ⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → dom 𝐼 = {𝑥 ∈ 𝐵 ∣ 𝑥 ≤ 𝑊}) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2108 {crab 3436 class class class wbr 5143 dom cdm 5685 ‘cfv 6561 Basecbs 17247 lecple 17304 LHypclh 39986 DIsoAcdia 41030 |
| 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 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pr 5432 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-ral 3062 df-rex 3071 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-id 5578 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-disoa 41031 |
| This theorem is referenced by: diaeldm 41038 diaglbN 41057 diaintclN 41060 dibfnN 41158 dibglbN 41168 |
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