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Mathbox for Norm Megill |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > hlatjidm | Structured version Visualization version GIF version |
Description: Idempotence of join operation. Frequently-used special case of latjcom 17661 for atoms. (Contributed by NM, 15-Jul-2012.) |
Ref | Expression |
---|---|
hlatjcom.j | ⊢ ∨ = (join‘𝐾) |
hlatjcom.a | ⊢ 𝐴 = (Atoms‘𝐾) |
Ref | Expression |
---|---|
hlatjidm | ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐴) → (𝑋 ∨ 𝑋) = 𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hllat 36659 | . 2 ⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat) | |
2 | eqid 2798 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
3 | hlatjcom.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
4 | 2, 3 | atbase 36585 | . 2 ⊢ (𝑋 ∈ 𝐴 → 𝑋 ∈ (Base‘𝐾)) |
5 | hlatjcom.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
6 | 2, 5 | latjidm 17676 | . 2 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ (Base‘𝐾)) → (𝑋 ∨ 𝑋) = 𝑋) |
7 | 1, 4, 6 | syl2an 598 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐴) → (𝑋 ∨ 𝑋) = 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 joincjn 17546 Latclat 17647 Atomscatm 36559 HLchlt 36646 |
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 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-proset 17530 df-poset 17548 df-lub 17576 df-glb 17577 df-join 17578 df-meet 17579 df-lat 17648 df-ats 36563 df-atl 36594 df-cvlat 36618 df-hlat 36647 |
This theorem is referenced by: atcvr0eq 36722 lnnat 36723 atcvrj0 36724 atltcvr 36731 3dim2 36764 3dim3 36765 islln2a 36813 2at0mat0 36821 lplnnle2at 36837 lplnnleat 36838 islpln2a 36844 lvolnle3at 36878 lvolnleat 36879 lvolnlelln 36880 2atnelvolN 36883 islvol2aN 36888 dalempnes 36947 dalemqnet 36948 2llnma3r 37084 dalawlem12 37178 4atex2-0aOLDN 37374 idltrn 37446 trl0 37466 trlval3 37483 cdleme3b 37525 cdleme11h 37562 cdleme16c 37576 cdleme18b 37588 cdleme20j 37614 cdleme42ke 37781 cdleme50trn3 37849 cdlemb3 37902 cdlemg8a 37923 trlcone 38024 dia2dimlem13 38372 |
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