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Mirrors > Home > MPE Home > Th. List > Mathboxes > diameetN | Structured version Visualization version GIF version |
Description: Partial isomorphism A of a lattice meet. (Contributed by NM, 5-Dec-2013.) (New usage is discouraged.) |
Ref | Expression |
---|---|
diam.m | ⊢ ∧ = (meet‘𝐾) |
diam.h | ⊢ 𝐻 = (LHyp‘𝐾) |
diam.i | ⊢ 𝐼 = ((DIsoA‘𝐾)‘𝑊) |
Ref | Expression |
---|---|
diameetN | ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → (𝐼‘(𝑋 ∧ 𝑌)) = ((𝐼‘𝑋) ∩ (𝐼‘𝑌))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2758 | . . . 4 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
2 | diam.m | . . . 4 ⊢ ∧ = (meet‘𝐾) | |
3 | simpll 766 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → 𝐾 ∈ HL) | |
4 | eqid 2758 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
5 | diam.h | . . . . . 6 ⊢ 𝐻 = (LHyp‘𝐾) | |
6 | diam.i | . . . . . 6 ⊢ 𝐼 = ((DIsoA‘𝐾)‘𝑊) | |
7 | 4, 5, 6 | diadmclN 38639 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑋 ∈ dom 𝐼) → 𝑋 ∈ (Base‘𝐾)) |
8 | 7 | adantrr 716 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → 𝑋 ∈ (Base‘𝐾)) |
9 | 4, 5, 6 | diadmclN 38639 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑌 ∈ dom 𝐼) → 𝑌 ∈ (Base‘𝐾)) |
10 | 9 | adantrl 715 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → 𝑌 ∈ (Base‘𝐾)) |
11 | 1, 2, 3, 8, 10 | meetval 17700 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → (𝑋 ∧ 𝑌) = ((glb‘𝐾)‘{𝑋, 𝑌})) |
12 | 11 | fveq2d 6666 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → (𝐼‘(𝑋 ∧ 𝑌)) = (𝐼‘((glb‘𝐾)‘{𝑋, 𝑌}))) |
13 | simpl 486 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻)) | |
14 | prssi 4714 | . . . 4 ⊢ ((𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼) → {𝑋, 𝑌} ⊆ dom 𝐼) | |
15 | 14 | adantl 485 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → {𝑋, 𝑌} ⊆ dom 𝐼) |
16 | prnzg 4674 | . . . 4 ⊢ (𝑋 ∈ dom 𝐼 → {𝑋, 𝑌} ≠ ∅) | |
17 | 16 | ad2antrl 727 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → {𝑋, 𝑌} ≠ ∅) |
18 | 1, 5, 6 | diaglbN 38657 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ({𝑋, 𝑌} ⊆ dom 𝐼 ∧ {𝑋, 𝑌} ≠ ∅)) → (𝐼‘((glb‘𝐾)‘{𝑋, 𝑌})) = ∩ 𝑥 ∈ {𝑋, 𝑌} (𝐼‘𝑥)) |
19 | 13, 15, 17, 18 | syl12anc 835 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → (𝐼‘((glb‘𝐾)‘{𝑋, 𝑌})) = ∩ 𝑥 ∈ {𝑋, 𝑌} (𝐼‘𝑥)) |
20 | fveq2 6662 | . . . 4 ⊢ (𝑥 = 𝑋 → (𝐼‘𝑥) = (𝐼‘𝑋)) | |
21 | fveq2 6662 | . . . 4 ⊢ (𝑥 = 𝑌 → (𝐼‘𝑥) = (𝐼‘𝑌)) | |
22 | 20, 21 | iinxprg 4979 | . . 3 ⊢ ((𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼) → ∩ 𝑥 ∈ {𝑋, 𝑌} (𝐼‘𝑥) = ((𝐼‘𝑋) ∩ (𝐼‘𝑌))) |
23 | 22 | adantl 485 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → ∩ 𝑥 ∈ {𝑋, 𝑌} (𝐼‘𝑥) = ((𝐼‘𝑋) ∩ (𝐼‘𝑌))) |
24 | 12, 19, 23 | 3eqtrd 2797 | 1 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ dom 𝐼 ∧ 𝑌 ∈ dom 𝐼)) → (𝐼‘(𝑋 ∧ 𝑌)) = ((𝐼‘𝑋) ∩ (𝐼‘𝑌))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ≠ wne 2951 ∩ cin 3859 ⊆ wss 3860 ∅c0 4227 {cpr 4527 ∩ ciin 4887 dom cdm 5527 ‘cfv 6339 (class class class)co 7155 Basecbs 16546 glbcglb 17624 meetcmee 17626 HLchlt 36952 LHypclh 37586 DIsoAcdia 38630 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-rep 5159 ax-sep 5172 ax-nul 5179 ax-pow 5237 ax-pr 5301 ax-un 7464 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-ral 3075 df-rex 3076 df-reu 3077 df-rab 3079 df-v 3411 df-sbc 3699 df-csb 3808 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-nul 4228 df-if 4424 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4802 df-iun 4888 df-iin 4889 df-br 5036 df-opab 5098 df-mpt 5116 df-id 5433 df-xp 5533 df-rel 5534 df-cnv 5535 df-co 5536 df-dm 5537 df-rn 5538 df-res 5539 df-ima 5540 df-iota 6298 df-fun 6341 df-fn 6342 df-f 6343 df-f1 6344 df-fo 6345 df-f1o 6346 df-fv 6347 df-riota 7113 df-ov 7158 df-oprab 7159 df-mpo 7160 df-map 8423 df-proset 17609 df-poset 17627 df-plt 17639 df-lub 17655 df-glb 17656 df-join 17657 df-meet 17658 df-p0 17720 df-p1 17721 df-lat 17727 df-clat 17789 df-oposet 36778 df-ol 36780 df-oml 36781 df-covers 36868 df-ats 36869 df-atl 36900 df-cvlat 36924 df-hlat 36953 df-lhyp 37590 df-laut 37591 df-ldil 37706 df-ltrn 37707 df-trl 37761 df-disoa 38631 |
This theorem is referenced by: diainN 38659 djajN 38739 |
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